Dyestuffs of the pyranthrone series and process of making the same,申请号US19320637987-传众专利搜索

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发明名称	Dyestuffs of the pyranthrone series and process of making the same
摘要
申请公布号	US1975258(A)	申请公布日期	1934.10.02
申请号	US19320637987	申请日期	1932.10.15
申请人	E.I. DU PONT DE NEMOURS & COMPANY	发明人	DEINET JOSEPH
分类号	C09B6/00	主分类号	C09B6/00
代理机构		代理人
主权项
地址

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