Number | Date | Country | Kind |
---|---|---|---|
4-131539 | Apr 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3767917 | Lampart et al. | Oct 1973 | |
4383253 | Lam et al. | May 1983 | |
4396840 | Araki et al. | Aug 1983 | |
4584485 | Powers et al. | Apr 1988 | |
4672217 | Dobrzanski | Jun 1987 | |
4761557 | Sasaki et al. | Aug 1988 | |
4786811 | Sasaki | Nov 1988 | |
4897634 | Sawa et al. | Jan 1990 | |
5160916 | Ishii et al. | Nov 1992 |
Number | Date | Country |
---|---|---|
0217100 | Apr 1987 | EPX |
2544616 | Oct 1984 | FRX |
2740521 | Mar 1979 | DEX |
3037869 | Oct 1981 | DEX |
Entry |
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Patent Abstracts of Japan, vol. 13, No. 329 (P-904) Jul. 25, 1989. |