Dye of the naphtho-phenazine series and process of making it,申请号US19300475631-传众专利搜索

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发明名称	Dye of the naphtho-phenazine series and process of making it
摘要
申请公布号	US1908099(A)	申请公布日期	1933.05.09
申请号	US19300475631	申请日期	1930.08.15
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	ALLEMANN OTTO
分类号	C09B17/04	主分类号	C09B17/04
代理机构		代理人
主权项
地址

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