Procédé d'obtention de tantale pur, de niobium pur et d'alliages purs de tantale-niobium,申请号BE19600591809-传众专利搜索

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发明名称	Procédé d'obtention de tantale pur, de niobium pur et d'alliages purs de tantale-niobium
摘要
申请公布号	BE591809(A1)	申请公布日期	1960.12.13
申请号	BE19600591809	申请日期	1960.06.13
申请人	PECHINEY, COMPAGNIE DE PRODUITS CHIMIQUES ET ELECTROMETALLURGIQUES	发明人
分类号	(IPC1-7):C22B	主分类号	(IPC1-7):C22B
代理机构		代理人
主权项
地址

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