发明授权
US3530110A Water-insoluble dyestuffs containing a 2-chloro-benzothiazole-6-azo group 失效
含有2-氯代苯并噻唑六唑类的水不溶性脱水酶

Water-insoluble dyestuffs containing a 2-chloro-benzothiazole-6-azo group
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