英文名称: | [5,5'-Biisobenzofuran]-1,1',3,3'-tetrone, polymer with 4,4'-oxybis [benzenamine] | 4,4'-Diaminodiphenyl ether, 3,3',4,4'-biphenyltetracarboxylic dianhydride copolymer | [5,5'-biisobenzofuran]-1,1',3,3'-tetrone, polymer with 4,4'-oxybis[benzenamine] | [5,5'-biisobenzofuran]-1,1',3,3'-tetrone, polymer with4,4'-oxybis[benzenamine] | [5,5'-Biisobenzofuran]-1,1',3,3'-tetrone,polymer with 4,4'-oxybis [benzenamine] | 4,4'-Diaminodiphenyl ether,3,3',4,4'-biphenyltetracarboxylic dianhydride copolymer |
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