| 英文名称: | | isocyanic acid, polymethylenepolyphenylene ester, polymer with 1,3-diisocyanato | | methylbenzene, 1,1'-methylenebis[isocyanatobenzene], oxirane and tetrahydrofura | | isocyanic acid, polymethylenepolyphenylene ester,polymer with 1,3-diisocyanatomethylbenzene,1,1'-methylenebis[isocyanatobenzene], oxirane and tetrahydrofuran |
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