| 英文名称: | | 1,4-Butanediol, polymer with 1,1'-methylenebis[4-isocyanatobenzene], methyloxirane and 1,2-propanediol | | Diphenylmethane-4,4'-diisocyanate, polymer with 1,4-butanediol, 1,2-propylene glycol, and 1,2-propylene oxide | | 1,4-Butanediol,polymer with 1,1'-methylenebis[4-isocyanatobenzene],methyloxirane and 1,2-propanediol | | Diphenylmethane-4,4'-diisocyanate,polymer with 1,4-butanediol,1,2-propylene glycol,and 1,2-propylene oxide |
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