Procédé pour la préparation de colorants à base de méthine,申请号FRD873840-传众专利搜索

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发明名称	Procédé pour la préparation de colorants à base de méthine
摘要
申请公布号	FR873840(A)	申请公布日期	1942.07.21
申请号	FRD873840	申请日期	1941.07.15
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	C09B23/01;C09B23/10;G03C1/26	主分类号	C09B23/01
代理机构		代理人
主权项
地址

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