尿素包衣树脂 选购指南
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尿素包衣树脂 尿素包衣树脂 尿素包衣树脂 绿光黄颜料永固黄GG 木塑着色剂1,1-bis(p-dimethylaminophenyl)methylenimine hydrochloride; 4,4'-(imidocarbonyl)bis(n,n-dimethylamine), monohydrochloride;4,4'-bis(dimethylamino)-benzhydrylidenimine hydrochloride;4:4'-bis(dimethylamino)benzophenone-imine hydrochloride;adc auramine o;aizen auramin......