| 英文名称: | | Sulfonamides, C4-8-alkane, perfluoro, N-ethyl-N-(hydroxyethyl), reaction products with 1,1'-methylenebis[4-isocyanatobenzene] | | ts with 1,1'-methylenebis[4-isocyanatobenzene] | | sulfonamides, c4-8-alkane, perfluoro,n-ethyl-n-(hydroxyethyl), reaction products with | | Sulfonamides,C4-8-alkane,perfluoro,N-ethyl-N-(hydroxyethyl),reaction products with 1,1'-methylenebis[4-isocyanatobenzene] |
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