| 英文名称: | | 1,3-butanediol, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.o | | mega.-hydroxypoly(oxy-1,4-butanediyl), 4-(ethenyloxy)-1-butanol-blocked | | 1,3-butanediol, polymer with1,3-diisocyanatomethylbenzene and.alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl),4-(ethenyloxy)-1-butanol-blocked |
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