Number | Date | Country | Kind |
---|---|---|---|
2-70708 | Mar 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4631426 | Nelson et al. | Dec 1986 | |
4701643 | Laude et al. | Oct 1987 | |
4743782 | Nelson et al. | May 1988 | |
4912745 | Fitzpatrick et al. | Mar 1990 |
Number | Date | Country |
---|---|---|
0110701 | Nov 1983 | EPX |
1-37827 | Jan 1989 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 11, #20 (E-472)[2467], Dec. 20, 1987 & JP-A-61 192 123 (Fujitsu Ltd.) 26/8/86 FIG. p.(E-472)[2467]. |
Patent Abstracts of Japan, vol. 11, #217 (E-523)[2664], Jul. 14, 1987 & JP-A-62 36 918 (Mitsubishi Electric) 17/2/87. |