Number | Date | Country | Kind |
---|---|---|---|
62-272516 | Oct 1987 | JPX | |
62-272517 | Oct 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4640882 | Mitsuhashi et al. | Feb 1987 | |
4828954 | Hashimoto et al. | May 1989 | |
4902570 | Heinmann et al. | Feb 1990 |
Number | Date | Country |
---|---|---|
61-275860 | Dec 1986 | JPX |
63-46469 | Feb 1988 | JPX |
2144555A | Jul 1984 | GBX |
2177244 | Jan 1987 | GBX |
Entry |
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Xerox Disclosure Journal, vol. 12, No. 2, Mar./Apr. 1987. |