Number | Date | Country | Kind |
---|---|---|---|
63-296023 | Nov 1988 | JPX | |
63-298297 | Nov 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3334962 | Clearfield | Aug 1967 | |
3830756 | Sanchez et al. | Aug 1974 | |
4048112 | Matsushita et al. | Sep 1977 | |
4093543 | Rodewald et al. | Jun 1978 | |
4537873 | Kato et al. | Aug 1985 | |
4751005 | Mitsui et al. | Jun 1988 | |
4753902 | Ketcham | Jun 1988 |
Number | Date | Country |
---|---|---|
143838 | Aug 1983 | JPX |
260721 | Nov 1987 | JPX |
23739 | Feb 1988 | JPX |
Entry |
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Chem Abstract. Dtatabase WPLI, 83-779760, Derwent Publications, Ltd. EPO Search Report EP 89 12 1746. |