发明授权
EP0238894B1 Vinylsulfone type fiber-reactive monoazo compound having benzoylamino-carrying coupler 失效
具有苯甲酰胺载体偶联剂的乙烯基型纤维 - 反应性单 -

Vinylsulfone type fiber-reactive monoazo compound having benzoylamino-carrying coupler
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