英文名称: | 1,3-isobenzofurandione, 5,5'-carbonylbis-, polymer with 1,3-diisocyanatomethylb | enzene and 1,1'-methylenebis[isocyanatobenzene] | 1,3-isobenzofurandione, 5,5'-carbonylbis-, polymerwith 1,3-diisocyanatomethylbenzene and1,1'-methylenebis[isocyanatobenzene] |
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