| 英文名称: | | hexanedioic acid, polymer with 1,4-butanediol, 1,4-cyclohexanedimethanol, 2,2-d | | imethyl-1,3-propanediol and 1,1'-methylenebis[4-isocyanatobenzene] | | hexanedioic acid, polymer with 1,4-butanediol,1,4-cyclohexanedimethanol, 2,2-dimethyl-1,3-propanediol and |
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