英文名称: | alpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)] and 4,4'-lbenzen | 1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-, polymerwith 1,3-diisocyanatomethylbenzene, alpha-hydro- omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)] and4,4'-(1-methylethylidene)bis[phenol] |
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