| 英文名称: | | isocyanic acid, polymethylenepolyphenylene ester, polymer with .alpha.-hydro-.o | | mega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] and 1,1'-methylenebis[isocyanatob | | isocyanic acid, polymethylenepolyphenylene ester,polymer with.alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)] and1,1'-methylenebis[isocyanatobenzene] |
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