Number | Date | Country | Kind |
---|---|---|---|
57-154236 | Sep 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3281517 | Hemmer et al. | Oct 1966 | |
3373260 | Hilliard | Mar 1968 | |
4197814 | Takage | Apr 1980 | |
4217855 | Takage | Aug 1980 | |
4426237 | Freeouf et al. | Jan 1984 | |
4446357 | Barshter | May 1984 | |
4447276 | Davies et al. | May 1984 |
Entry |
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Chemical Rubber Co., Handbook of Chemistry and Physics, 46th Ed. 1965. |