编码描述:polyurethane of 22(tertbutylimino)diethanol:44methylenedicycl ohexyl diisocyanate sol. of nn-diamethyacetamide (kg) 编码来源:英国原始海关数据 产品标签: plastics,prep,ion,rat,hose,epoxide resin,e lamp,ys,ticl,ether