Number | Date | Country | Kind |
---|---|---|---|
1-12475 | Jan 1989 | JPX | |
1-12476 | Jan 1989 | JPX | |
1-12477 | Jan 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4531161 | Murakoshi | Jul 1985 | |
4680647 | Moriyama | Jul 1987 | |
4947265 | Hayashi et al. | Aug 1990 | |
4965675 | Hori et al. | Oct 1990 |
Number | Date | Country |
---|---|---|
223423 | May 1987 | EPX |
295148 | Dec 1988 | EPX |
Entry |
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Patent Abstracts of Japan vol. 6, No. 140 (E-121)[0118] Jul. 29, 1982 & JP-A-57 65078 (Canon) Apr. 20, 1982. |