Number | Date | Country | Kind |
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5-199243 | Jul 1993 | JPX |
Number | Name | Date | Kind |
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4127630 | Washburn | Nov 1978 | |
4517168 | Kawahito et al. | May 1985 | |
5032370 | Merzhanov et al. | Jul 1991 | |
5073358 | Shimizu et al. | Dec 1991 | |
5232677 | Fukuoka et al. | Aug 1993 | |
5344634 | Edler | Sep 1994 |
Number | Date | Country |
---|---|---|
2350031 | Apr 1974 | EPX |
0186497 | Jul 1986 | EPX |
0442032 | Aug 1991 | EPX |
199707 | Nov 1983 | JPX |
147807 | Jun 1988 | JPX |
248308 | Oct 1990 | JPX |
114907 | Apr 1992 | JPX |
7010941 | Feb 1971 | NLX |
Entry |
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Patent Abstracts of Japan, vol. 013, No. 501 (C-652) 10 Nov. 1989 & JP-A-01 201 012 (Japan Metals & Chem Co., Ltd.) 14 Aug. 1989. |
European Patent Application 0410459A2 published Jan. 30, 1991. |