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4565854 | Sato et al. | Jan 1986 | |
4931518 | Sharaby | Jun 1990 | |
5308911 | Takada et al. | May 1994 | |
5349008 | Takada et al. | Sep 1994 | |
5360860 | Itoh et al. | Nov 1994 |
Number | Date | Country |
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52-110797 | Sep 1977 | JPX |
59-187003 | Oct 1984 | JPX |
1-95103 | Apr 1989 | JPX |
6-145208 | May 1994 | JPX |
9115518 | Oct 1991 | WOX |
Entry |
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The Poval Book. Polymer Press, 1984. |
Polyvinyl Alcohol-Development. C.A. Finch, Wiley, 1992. |