| 英文名称: | | 1,3-benzenedicarboxylic acid, polymer with 1,4-butanediol, 1,5-diisocyanatonaph | | thalene, 1,6-hexanediol, nonanedioic acid and 2,2'-[1,4-phenylenebis(oxy)bis[et | | 1,3-benzenedicarboxylic acid, polymer with1,4-butanediol, 1,5-diisocyanatonaphthalene, 1,6-hexanediol, |
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