英文名称: | 1,3-Butanediol polymer with 1,3-diisocyanatemethylbenzene and .alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] | 1,3-butanediol, polymer with 1,3-diisocyanatomethybenzene and alpha-hydro- omeg | 1,3-butanediol, polymer with1,3-diisocyanatomethybenzene and alpha-hydro- omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)] |
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