Number | Date | Country | Kind |
---|---|---|---|
60-188396 | Aug 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4375064 | Ohara | Feb 1983 | |
4624547 | Endo et al. | Nov 1986 | |
4626923 | Yoshida | Dec 1986 |
Number | Date | Country |
---|---|---|
52-106737 | Sep 1977 | JPX |
Entry |
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IBM Technical Disclosure Bulletin, vol. 20, No. 1, Jun. 1977, pp. 31 and 32. |