Claims
- 1. A data communication apparatus for communicating a communication protocol signal by a low speed modem and data by a high speed modem, comprising:
- first communication means for communicating the protocol signal by said high speed modem; and
- second communication means for starting data communication by the high speed modem without reception of a signal by a modem different from the high speed modem after communication of the protocol signal by the high speed modem using said first communication means.
- 2. A data communication apparatus according to claim 1 wherein the protocol signal is communicated prior to the data communication.
- 3. A data communication apparatus according to claim 1 further comprising memory means for storing information on a communication function of a destination station associated with information on a telephone number of the destination station, wherein the protocol signal is communicated by said high speed modem in accordance with the information in said memory means.
- 4. A data communication apparatus according to claim 3 further comprising means for setting into said memory means information indicating that the communication of the communication protocol signal by the high speed modem to the destination station is permitted when the data communication for communicating the communication protocol signal by the low speed modem succeeds a predetermined number of times.
- 5. A data communication apparatus according to claim 1 wherein the communication of the communication protocol signal is conducted by the low speed modem when the communication of the protocol signal by the high speed modem fails.
- 6. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation, wherein a DCS (digital command signal) or NSS (non-standard facility set-up) control signal in said ECM communication function is transmitted and received immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 7. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation wherein a DCS (digital command signal) or NSS (non-standard facility set-up) control signal in said ECM communication function is transmitted immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 8. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation wherein a DCS (digital command signal) or NSS (non-standard facility set-up) control signal in said ECM communication function is received immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 9. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation, wherein a PPS-Q (partial page signal) control signal in said ECM communication function is transmitted and received immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 10. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation, wherein a PPS-Q (partial page signal) control signal in said ECM communication function is transmitted immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 11. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation, wherein a PPS-Q (partial page signal) control signal in said ECM communication function is received immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 12. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation and a function of transmitting a PPS-Q (partial page signal) control signal in said ECM communication function immediately after an image signal by a modem having the same speed as a modem for the image signal and a further function for stopping a transmission status of the modem immediately after the transmission of the PPS-Q (partial page signal) control signal.
- 13. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation and a function of transmitting a PPS-Q (partial page signal) control signal in said ECM communication function immediately after an image signal by a modem having the same speed as a modem for the image signal and a further function for stopping a reception status of the modem immediately after the reception of the PPS-Q control signal.
- 14. A data communication apparatus comprising:
- means for storing information on a communication history of terminated communication to a destination station; and
- means for selecting one of a plurality of communication methods including at least a first communication method and a second communication method in accordance with the stored information on a communication history of the terminated communication to the destination station,
- wherein the first and second communication methods are different from each other in organization of communicating procedure signals.
- 15. A data communication apparatus having an ECM (Error Correction Communication Mode) communication function as defined by the CCITT Recommendation and means for storing a communication result including information on a change of an image communication speed during terminated communication with a destination station for each destination, further comprising:
- means for omitting TCF (training check) and CFR (confirmation to receive) protocol signals in said ECM communication function in accordance with the stored result of communication with the destination station.
- 16. A data communication apparatus having an ECM (Error Correction Communication Mode) communication function as defined by the CCITT Recommendation and means for storing a communication result including information on a change of an image communication speed during terminated communication with a destination station for each destination and means for omitting TCF (training check) and CFR (confirmation to receive) protocol signals and for transmitting a DCS (digital command signal) signal in said ECM communication function by a same modem as that for an image signal in accordance with the stored result of communication with the destination station, further comprising:
- means for detecting an RTN (retrain negative) signal after the transmission of the image signal; and
- means for starting a normal protocol and retransmitting the DCS signal and the image signal in response to the reception of the RTN signal.
- 17. A data communication apparatus having an ECM (Error Correction Communication Mode) communication function as defined by the CCITT Recommendation and means for communicating while omitting TCF (training check) and CFR (confirmation to receive) protocol and means for receiving a DCS (digital command signal) signal in said ECM communication function by the same modem as that for an image signal, comprising:
- means for detecting an end of the image signal when the DCS signal is not received;
- means for declaring the transmission of an RTN (retrain negative) signal and the shift to a normal protocol at the end of the image signal; and
- means for receiving retransmission of the DCS signal and the image signal.
- 18. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation and means for transmitting a PPS-Q (partial page signal) control signal in said ECM communication function immediately after an image signal by a modem having the same speed as a modem for the image signal and receiving a response signal by a V21 modem after the transmission of the PPS-Q control signal, comprising:
- means for retransmitting the PPS-Q control signal by the V21 modem when the response signal is not received.
- 19. A data communication apparatus having an ECM communication function defined by the CCITT Recommendation and means for receiving a PPS-Q (partial page signal) control signal in said ECM communication function immediately after an image signal by a modem having the same speed as a modem for the image signal and transmitting a response signal by a V21 modem after the reception of the PPS-Q control signal, and means for conducting low/high speed modem reception after the transmission of the response signal, wherein the response signal is not transmitted when the PPS-Q control signal is not received in order to inform that the PPS-Q control signal is not received.
- 20. A data communication apparatus having an ECM (error correction communication mode) communication function as defined by the CCITT Recommendation and means for transmitting a DCS (digital command signal) control signal in said ECM communication function immediately before an image signal by a modem having a same speed as a modem for the image signal so as to conduct transmission without causing an absence of signal between the DCS control signal and the image signal, comprising:
- means for identifying a leading block of a physical page which is not for retransmission; and
- means for transmitting the DCS control signal only immediately before the leading block of the physical page which is not for retransmission.
- 21. A data communication apparatus having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation and means for transmitting a DCS (digital command signal) or NSS (non-standard set-up) control signal in said ECM communication function immediately before an image signal by a modem having the same speed as a modem for the image signal, comprising:
- means for transmitting PPS-EOM (partial page signal-end of message) as a control signal indicating multi-page without regard to a change of image transmission mode.
- 22. A data communication apparatus comprising:
- communication means having a first communication mode for conducting communication in accordance with a recommended communication protocol and a second communication mode for conducting communication in accordance with a communication protocol not recommended; and
- control means for causing said communication means to conduct communication in the second mode after causing said communication means to communicate, in the first communication mode, a first protocol signal indicating communication in the second communication mode, the first protocol signal being according to the recommended communication protocol,
- wherein said second communication mode is for transmitting a protocol signal as data, and
- wherein said second communication mode is for transmitting a protocol signal incorporated with data.
- 23. An apparatus according to claim 22, wherein said first communication mode is for communication according to the communication protocol based on the recommendation CCITT T30.
- 24. An apparatus according to claim 22, wherein said first protocol signal is an NSS (non-standard set-up) signal according to the recommendation CCITT T30.
- 25. An apparatus according to claim 22, wherein said control means communicates the first protocol signal in said first communication mode in a pre-procedure conducted before data communication.
- 26. An apparatus according to claim 22, wherein said data is image data.
- 27. A data communication apparatus comprising:
- communication means having a first communication mode for conducting communication in accordance with a recommended communication protocol and a second communication mode for conducting communication in accordance with a communication protocol not recommended; and
- control means for causing said communication means to conduct communication in the second mode after causing said communication means to communicate, in the first communication mode, a first protocol signal indicating communication in the second communication mode, the first protocol signal being according to the recommended communication protocol,
- wherein said control means causes said communication means to transmit the first protocol signal, and
- wherein said control means causes said communication means to transmit the first protocol signal after said communication means receives a second protocol signal indicating information on a facility of a partner station.
- 28. An apparatus according to claim 27, wherein said second protocol signal is a signal according to the recommended communication protocol.
- 29. An apparatus according to claim 28, wherein said second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 30. An apparatus according to claim 29, wherein said second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signal) signals according to the recommendation CCITT T30.
- 31. An apparatus according to claim 27, wherein said control means prevents said communication means from transmitting of said first protocol signal when a partner station is identified to be incapable of conducting communication in said second communication mode by the second protocol signal.
- 32. A data communication apparatus comprising:
- communication means having a first communication mode for conducting communication in accordance with a recommended communication protocol and a second communication mode for conducting communication in accordance with a communication protocol not recommended; and
- control means for causing said communication means to conduct communication in the second mode after causing said communication means to communicate, in the first communication mode, a first protocol signal indicating communication in the second communication mode, the first protocol signal being according to the recommended communication protocol,
- wherein said control means causes said communication means to receive the first protocol signal, and
- wherein said control means causes said communication means to receive the first protocol signal after said communication means transmits a second protocol signal indicating information on a facility of said apparatus.
- 33. An apparatus according to claim 32, wherein said second protocol signal is a signal according to the recommended communication protocol.
- 34. An apparatus according to claim 33, wherein said second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 35. An apparatus according to claim 34, wherein said second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signal) signals according to the recommendation CCITT T30.
- 36. A data communication apparatus, comprising:
- communication means having a first communication mode for conducting communication in accordance with a standard communication protocol and a second communication mode for conducting communication in accordance with a special communication protocol;
- identifying means for identifying a facility of a partner station; and
- control means for causing said identifying means to identify a facility of the partner station and for causing said communication means to transmit a first protocol signal indicating communication in the second mode in accordance with a result of the identification,
- wherein said second communication mode is for conducting communication in accordance with the special communication protocol, the special communication protocol being capable of reducing an overall communication time period,
- wherein said second communication mode is for communicating a protocol signal at a same modem rate as that for data, and
- wherein said second communication mode is for transmitting a protocol signal incorporated in data as the special communication protocol.
- 37. An apparatus according to claim 36, wherein said first communication mode is for conducting communication in accordance with the recommendation CCITT T30 as the standard communication protocol.
- 38. An apparatus according to claim 36, wherein the data is image data.
- 39. An apparatus according to claim 36, wherein said identifying means identifies a facility of the partner station on the basis of a second protocol signal received from the partner station.
- 40. An apparatus according to claim 39, wherein said second protocol signal is a signal according to the standard communication protocol.
- 41. An apparatus according to claim 40, wherein said second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 42. An apparatus according to claim 41, wherein said second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signal) signals according to the recommendation CCITT T30.
- 43. An apparatus according to claim 36, wherein said first protocol signal is NSS (non-standard set-up) signal according to the recommendation CCITT T30.
- 44. An apparatus according to claim 36, wherein said control means communicates the first protocol signal in said first communication mode in a pre-procedure conducted before data communication.
- 45. An apparatus according to claim 36, wherein said control means prevents said communication means from transmitting the first protocol signal when said identifying means identifies that the partner station is incapable of communication in the second communication mode.
- 46. An apparatus according to claim 45, wherein said identifying means identifies a facility of the partner station in accordance with a second protocol signal received from the partner station.
- 47. An apparatus according to claim 46, wherein said second protocol signal is a signal according to the recommended communication protocol.
- 48. An apparatus according to claim 47, wherein said second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 49. An apparatus according to claim 48, wherein said second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signal) signals according to the recommendation CCITT T30.
- 50. A data communication method for communicating a communication protocol signal by a low speed modem and data by a high speed modem, comprising the steps of:
- communicating the protocol signal by the high speed modem by using first communication means; and
- starting data communication by the high speed modem without reception of a signal by a modem different from the high speed modem, by using second communication means, after communication of the protocol signal by the high speed modem using the first communication means.
- 51. A data communication method according to claim 50 wherein the protocol signal is communicated prior to the data communication.
- 52. A data communication method according to claim 50 further comprising the step of storing, in a memory, information on a communication function of a destination station associated with information on a telephone number of the destination station, wherein the protocol signal is communicated by the high speed modem in accordance with the information in the memory.
- 53. A data communication method according to claim 52 further comprising the step of setting into the memory information indicating that the communication of the communication protocol signal by the high speed modem to the destination station is permitted when the data communication for communicating the communication protocol signal by the low speed modem succeeds a predetermined number of times.
- 54. A data communication method according to claim 50 wherein the communication of the communication protocol signal is conducted by the low speed modem when the communication of the protocol signal by the high speed modem fails.
- 55. A data communication method having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation, wherein a DCS (digital command signal) or NSS (non-standard facility set-up) control signal in the ECM communication function is transmitted and received immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 56. A data communication method having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation, wherein a PPS-Q (partial page signal) control signal in the ECM communication function is transmitted and received immediately before an image signal by a modem having the same speed as a modem for the image signal.
- 57. A data communication method comprising the steps of:
- storing information on a communication history of terminated communication to a destination station; and
- selecting one of a plurality of communication methods including at least a first communication method and a second communication method in accordance with the stored information on a communication history of the terminated communication to the destination station,
- wherein the first and second communication methods are different from each other in organization of communicating procedure signals.
- 58. A data communication method, having an ECM (Error Correction Communication Mode) communication function as defined by the CCITT Recommendation, and storing a communication result including information on a change of an image communication speed during terminated communication with a destination station for each destination, further comprising the step of:
- omitting TCF (training check) and CFR (confirmation to receive) protocol signals in the ECM communication function in accordance with the stored result of communication with the destination station.
- 59. A data communication method, having an ECM (Error Correction Communication Mode) communication function as defined by the CCITT Recommendation, and storing a communication result including information on a change of an image communication speed during terminated communication with a destination station for each destination and omitting TCF (training check) and CFR (confirmation to receive) protocol signals and transmitting a DCS (digital command signal) signal in the ECM communication function by a same modem as that for an image signal in accordance with the stored result of communication with the destination station, further comprising the steps of:
- detecting an RTN (retrain negative) signal after the transmission of the image signal; and
- starting a normal protocol and retransmitting the DCS signal and the image signal in response to the reception of the RTN signal.
- 60. A data communication method, having an ECM (Error Correction Communication Mode) communication function as defined by the CCITT Recommendation and communicating while omitting TCF (training check) and CFR (confirmation to receive) protocol and receiving a DCS (digital command signal) signal in said ECM communication function by the same modem as that for an image signal, comprising the steps of:
- detecting an end of the image signal when the DCS signal is not received;
- declaring the transmission of an RTN (retrain negative) signal and the shift to a normal protocol at the end of the image signal; and
- receiving retransmission of the DCS signal and the image signal.
- 61. A data communication method, having an ECM (error correction communication mode) communication function as defined by the CCITT Recommendation, transmitting a DCS (digital command signal) control signal in said ECM communication function immediately before an image signal by a modem having a same speed as a modem for the image signal so as to conduct transmission without causing an absence of signal between the DCS control signal and the image signal, comprising the steps of:
- identifying a leading block of a physical page which is not for retransmission; and
- transmitting the DCS control signal only immediately before the leading block of the physical page which is not for retransmission.
- 62. A data communication method, having an ECM (error correction communication mode) communication function defined by the CCITT Recommendation, and transmitting a DCS (digital command signal) or NSS (non-standard set-up) control signal in the ECM communication function immediately before an image signal by a modem having the same speed as a modem for the image signal, comprising the step of:
- transmitting PPS-EOM (partial page signal-end of message) as a control signal indicating multi-page without regard to a change of image transmission mode.
- 63. A data communication method comprising the steps of:
- a communication step having a first communication mode for conducting communication in accordance with a recommended communication protocol and a second communication mode for conducting communication in accordance with a communication protocol not recommended; and
- a control step for causing the communication step to conduct communication in the second mode after causing the communication step to communicate, in the first communication mode, a first protocol signal indicating communication in the second communication mode, the first protocol signal being according to the recommended communication protocol,
- wherein the second communication mode is for transmitting a protocol signal as data, and
- wherein the second communication mode is for transmitting a protocol signal incorporated with data.
- 64. A method according to claim 63, wherein the first communication mode is for communication according to the communication protocol based on the recommendation CCITT T30.
- 65. A method according to claim 63, wherein the first protocol signal is NSS (non-standard set-up) signal according to the recommendation CCITT T30.
- 66. A method according to claim 63, wherein the control step communicates the first protocol signal in the first communication mode in a pre-procedure conducted before data communication.
- 67. A method according to claim 63, wherein the data is image data.
- 68. A data communication method comprising the steps of:
- a communication step having a first communication mode for conducting communication in accordance with a recommended communication protocol and a second communication mode for conducting communication in accordance with a communication protocol not recommended; and
- a control step for causing the communication step to conduct communication in the second mode after causing the communication step to communicate, in the first communication mode, a first protocol signal indicating communication in the second communication mode, the first protocol signal being according to the recommended communication protocol,
- wherein the control step causes the communication step to transmit the first protocol signal, and
- wherein the control step causes the communication step to transmit the first protocol signal after the communication step receives a second protocol signal indicating information on a facility of a partner station.
- 69. A method according to claim 68, wherein the second protocol signal is a signal according to the recommended communication protocol.
- 70. A method according to claim 69, wherein the second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 71. A method according to claim 70, wherein the second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signals) signals according to the recommendation CCITT T30.
- 72. A method according to claim 68, wherein the control step prevents the communication step from transmitting of the first protocol signal when a partner station is identified to be incapable of conducting communication in the second communication mode by the second protocol signal.
- 73. A data communication method comprising the steps of:
- a communication step having a first communication mode for conducting communication in accordance with a recommended communication protocol and a second communication mode for conducting communication in accordance with a communication protocol not recommended; and
- a control step for causing the communication step to conduct communication in the second mode after causing the communication step to communicate, in the first communication mode, a first protocol signal indicating communication in the second communication mode, the first protocol signal being according to the recommended communication protocol,
- wherein the control step causes the communication step to receive the first protocol signal, and
- wherein the control step causes the communication step to receive the first protocol signal after the communication step transmits a second protocol signal indicating information on a facility of the method.
- 74. A method according to claim 73, wherein the second protocol signal is a signal according to the recommended communication protocol.
- 75. A method according to claim 74, wherein the second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 76. A method according to claim 75, wherein the second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signal) signals according to the recommendation CCITT T30.
- 77. A data communication method comprising the steps of:
- a communication step having a first communication mode for conducting communication in accordance with a standard communication protocol and a second communication mode for conducting communication in accordance with a special communication protocol;
- an identifying step for identifying a facility of a partner station; and
- a control step for causing the identifying step to identify a facility of the partner station and for causing the communication step to transmit a first protocol signal indicating communication in the second mode in accordance with a result of the identification,
- wherein the second communication mode is for conducting communication in accordance with the special communication protocol, the special communication protocol being capable of reducing an overall communication time period,
- wherein the second communication mode is for communicating a protocol signal at a same modem rate as that for data, and
- wherein the second communication mode is for transmitting a protocol signal incorporated in data as the special communication protocol.
- 78. A method according to claim 77, wherein the first communication mode is for conducting communication in accordance with the recommendation CCITT T30 as the standard communication protocol.
- 79. A method according to claim 77, wherein the data is image data.
- 80. A method according to claim 77, wherein the identifying step identifies a facility of the partner station on the basis of a second protocol signal received from the partner station.
- 81. A method according to claim 80, wherein the second protocol signal is a signal according to the standard communication protocol.
- 82. A method according to claim 81, wherein the second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 83. A method according to claim 82, wherein the second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signal) signals according to the recommendation CCITT T30.
- 84. A method according to claim 77, wherein the first protocol signal is NSS (non-standard set-up) signal according to the recommendation CCITT T30.
- 85. A method according to claim 77, wherein the control step communicates the first protocol signal in the first communication mode in a pre-procedure conducted before data communication.
- 86. A method according to claim 77, wherein the control step prevents the communication step from transmitting the first protocol signal when the identifying step identifies that the partner station is incapable of communication in the second communication mode.
- 87. A method according to claim 86, wherein the identifying step identifies a facility of the partner station in accordance with a second protocol signal received from the partner station.
- 88. A method according to claim 77, wherein said second protocol signal is a signal according to the recommended communication protocol.
- 89. A method according to claim 88, wherein said second protocol signal is an initial identification signal according to the recommendation CCITT T30.
- 90. A method according to claim 89, wherein said second protocol signal is at least one of NSF (non-standard facilities), TSI (transmitting subscriber identification) and DIS (digital identification signal) signals according to the recommendation CCITT T30.
- 91. A data communication apparatus for communicating data in an error correction communication mode, comprising:
- first communication means for communicating a protocol signal by a high speed modem in the error correction communication mode; and
- second communication means for starting data communication by the high speed modem in the error correction communication mode successively after communication of the protocol signal by the high speed modem using said first communication means.
- 92. A data communication apparatus according to claim 91, wherein the protocol signal is communicated prior to the data communication.
- 93. A data communication apparatus according to claim 91, further comprising memory means for storing information on a communication function of a destination station associated with information on a telephone number of the destination station, wherein the protocol signal is communicated by said high speed modem in accordance with the information in said memory means.
- 94. A data communication apparatus according to claim 93, further comprising a low speed modem, and means for setting into said memory means information indicating that the communication of the communication protocol signal by the high speed modem to the destination station is permitted when the data communication for communicating the communication protocol signal by the low speed modem succeeds a predetermined number of times.
- 95. A data communication apparatus according to claim 91, further comprising a low speed modem, wherein the communication of the communication protocol signal is conducted by the low speed modem when the communication of the protocol signal by the high speed modem fails.
- 96. A data communication method for communicating data in an error correction communication mode, comprising the steps of:
- first communicating a protocol signal by a high speed modem in the error correction communication mode; and
- starting data communication by the high speed modem in the error correction communication mode successively after communication of the protocol signal by the high speed modem in said first communicating step.
- 97. A data communication method according to claim 96, wherein the protocol signal is communicated prior to the data communication.
- 98. A data communication method according to claim 96, further comprising the step of storing in a memory means information on a communication function of a destination station associated with information on a telephone number of the destination station, wherein the protocol signal is communicated using the high speed modem in accordance with the information in the memory means.
- 99. A data communication method according to claim 98, further comprising the step of setting into the memory means information indicating that the communication of the communication protocol signal by the high speed modem to the destination station is permitted when the data communication for communicating the communication protocol signal using a low speed modem succeeds a predetermined number of times.
- 100. A data communication method according to claim 96, wherein the communication of the communication protocol signal is conducted using a low speed modem when the communication of the protocol signal by the high speed modem fails.
Priority Claims (1)
Number |
Date |
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Kind |
3-065837 |
Mar 1991 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 07/857 313 filed Mar. 25 1992, now abandoned.
US Referenced Citations (16)
Foreign Referenced Citations (2)
Number |
Date |
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3927180 |
Feb 1990 |
DEX |
2222740 |
Mar 1990 |
GBX |
Continuations (1)
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Number |
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857313 |
Mar 1992 |
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