Number | Date | Country | Kind |
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7-252569 | Sep 1995 | JPX |
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2530769 | Hollis | Nov 1950 | |
4342851 | Suzui et al. | Aug 1982 | |
4786665 | Nakagawa et al. | Nov 1988 |
Number | Date | Country |
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701106 | Jan 1965 | CAX |
3328848 | Feb 1995 | DEX |
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6443549 | Feb 1989 | JPX |
1210443 | Aug 1989 | JPX |
3100035 | Apr 1991 | JPX |
3143939 | Jun 1991 | JPX |
3139544 | Jun 1991 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 018, No. 462 (C-1243), Aug. 29, 1994. |
Patent Abstracts of Japan, vol. 015, No. 202 (C-0834), May 23, 1991. |
Database WPI, Section Ch, Week 9116, Derwent Publications Ltd., London, GB Class A17, AN 91-114485. |
Databse WPI, Section Ch, Week 9521, Derwent Publications Ltd., London, GB Class A17, AN 95-157600. |