Number | Date | Country | Kind |
---|---|---|---|
5-330831 | Dec 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4529835 | Mizuno | Jul 1985 | |
4685030 | Reyes et al. | Aug 1987 | |
4770953 | Horiguchi et al. | Sep 1988 | |
4861641 | Foster et al. | Aug 1989 | |
5153077 | Kashiba et al. | Oct 1992 | |
5156903 | Okumura et al. | Oct 1992 |
Number | Date | Country |
---|---|---|
0249755 | Nov 1990 | EPX |
2149222 | Jun 1985 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 15, No. 459, 21 Nov. 1991. |
Database WPI, Week 8728, Derwent Publications Ltd., London, GB; AN 87-194926. |