Procédé de fabrication de l'alumine,申请号FRD49122-传众专利搜索

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发明名称	Procédé de fabrication de l'alumine
摘要
申请公布号	FR49122(E)	申请公布日期	1938.11.07
申请号	FRD49122	申请日期	1938.01.25
申请人		发明人	SEAILLES JEAN-CHARLES
分类号	C01F7/12	主分类号	C01F7/12
代理机构		代理人
主权项
地址

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