Number | Date | Country | Kind |
---|---|---|---|
60-15341 | Jan 1985 | JPX | |
60-16540 | Feb 1985 | JPX | |
60-66456 | Apr 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4165535 | Mortelmans et al. | Aug 1979 | |
4592015 | Akiba et al. | May 1986 |
Entry |
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IBM Technical Disclosure Bulletin--vol. 21, No. 6, Nov. 1978, pp. 2285-2286. |