Procédé de traitement de minerais, sous-produits métallurgiques ou autres matières premières contenant du tantale et du niobium,申请号FRD810544-传众专利搜索

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发明名称	Procédé de traitement de minerais, sous-produits métallurgiques ou autres matières premières contenant du tantale et du niobium
摘要
申请公布号	FR810544(A)	申请公布日期	1937.03.23
申请号	FRD810544	申请日期	1936.09.10
申请人	SOCIETE GENERALE METALLURGIQUE DE HOBOKEN	发明人
分类号	C22B34/24	主分类号	C22B34/24
代理机构		代理人
主权项
地址

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