| 英文名称: | | Hexahydro-2H- azepin-2-one, polymer with 3-(isocyanatomethyl)-3, 5, 5-trimethyl-cyclohexylisocyanat and 2, 2'-oxydiethanol (2:2:1) | | Hexahydro-2H-azepin-2-one,polymer with 3-(isocyanatomethyl)-3,5,5-trimethyl-cyclohexylisocyanat and 2,2'-oxydiethanol(2:2:1) |
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