Blue to violet-blue water-insoluble azo-dyestuffs,申请号US19300500421-传众专利搜索

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发明名称	Blue to violet-blue water-insoluble azo-dyestuffs
摘要
申请公布号	US1919590(A)	申请公布日期	1933.07.25
申请号	US19300500421	申请日期	1930.12.05
申请人	GENERAL ANILINE WORKS, INC.	发明人	HOFFA ERWIN;THOMA ERWIN
分类号	C09B29/20	主分类号	C09B29/20
代理机构		代理人
主权项
地址

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