Number | Date | Country | Kind |
---|---|---|---|
62-239033 | Sep 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2865744 | Friedman et al. | Dec 1958 | |
3622316 | Bird et al. | Nov 1971 | |
4040825 | Steiger et al. | Aug 1977 | |
4543308 | Schumann et al. | Sep 1985 | |
4551424 | Ikeda et al. | Nov 1985 | |
4574115 | Adachi et al. | Mar 1986 | |
4820606 | Miyasaka et al. | Apr 1989 |
Number | Date | Country |
---|---|---|
0270079 | Jun 1988 | EPX |
Entry |
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Patent Abstracts of Japan, vol. 11, No. 340 (P-634) [2787], Nov. 7, 1987-Abstract of Japanese Patent Application Ser. No. 62-123454. |