编码描述:polyurethane of 2,2'-"tert-butylimino"diethanol and 4,4'-methylenedicyclohexyl diisocyanate, in the form of a 编码来源:英国原始海关数据 产品标签: note 4,polyurethane,methylene,diethanol,dicyclohexyl,butyl,methylenedicyclohexyl diisocyanate,isocynate