| 英文名称: | | lymer with 1,6-diisocyanatohexane, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol an | | propanoic acid, 3-hydroxy-2,2-dimethyl-,3-hydroxy-2,2-dimethylpropyl ester, polymer with1,6-diisocyanatohexane, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and2-oxepanone |
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