| 英文名称: | | iisocyanatomethylbenzene and alpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-eth | | anediyl)] | | 2-propenoic acid, 2-methyl-, monoester with1,2-propanediol, polymer with 1,3-diisocyanatomethylbenzene andalpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)] |
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