Number | Date | Country | Kind |
---|---|---|---|
2-298397 | Nov 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3372085 | Westfall et al. | Mar 1968 | |
3864275 | Kan et al. | Feb 1975 | |
4000087 | Maalouf | Dec 1976 | |
4223060 | Raine et al. | Sep 1980 | |
4228031 | Iwasaki et al. | Oct 1980 | |
4396670 | Sinclair | Aug 1983 | |
4409156 | Hoshi et al. | Oct 1983 | |
4891172 | Matsushita et al. | Jan 1990 | |
4977060 | Liang et al. | Dec 1990 |
Entry |
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Derwent Abstract, WP1 #78-59536A/33 Mitsubishi Paper Mill JP 53079611, A (1978). |