| 英文名称: | | polymer with 1,3-diisocyanato-5-methylbenzene, 2-2-benzenedicarboxylic acid | | ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,1'-[(1-methylethylidene)bis(4,1-p | | henyleneoxy)]bis[2-propanol] | | 1,2-benzenedicarboxylic acid, polymer with1,3-diisocyanato-5-methylbenzene,2-ethyl-2-(hydroxymethyl)-1,3-propanediol and |
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