| 英文名称: | | 1,3-butanediol, polymer with alpha-hydro- omega -hydroxypoly[oxy(methyl-1,2-eth | | anediyl)], 1,1'-methylenebis[4-isocyanatocyclohexane] and alpha, alpha', alpha' | | '-1,2,3-propanetriyltris[ omega -hydroxypoly[oxy(methyl-1,2-ethanediyl)]] | | 1,3-butanediol, polymer with alpha-hydro- omega-hydroxypoly[oxy(methyl-1,2-ethanediyl)], |
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