| 英文名称: | | , 2,4-diisocyanato-1-methylbenzene, alpha-hydro- omega -hydroxypoly(oxy-1,4-but | | 1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-, polymerwith (chloromethyl)oxirane, 2,4-diisocyanato-1-methylbenzene,alpha-hydro- omega -hydroxypoly(oxy-1,4-butanediyl) and5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane |
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