Procédé pour la production de pigments noirs à base d'oxyde de fer,申请号FRD858142-传众专利搜索

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发明名称	Procédé pour la production de pigments noirs à base d'oxyde de fer
摘要
申请公布号	FR858142(A)	申请公布日期	1940.11.18
申请号	FRD858142	申请日期	1939.07.21
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	C01G49/08	主分类号	C01G49/08
代理机构		代理人
主权项
地址

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