发明授权
US3517085A Dyeable compositions comprising polyolefin and n-vinyl carbazole-ethylene copolymer 失效
包含聚烯烃和N-乙烯基羰基乙烯共聚物的可变组合物

Dyeable compositions comprising polyolefin and n-vinyl carbazole-ethylene copolymer
信息查询
0/0