Procédé d'élaboration du niobium.,申请号BE19600598053-传众专利搜索

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发明名称	Procédé d'élaboration du niobium.
摘要
申请公布号	BE598053(A1)	申请公布日期	1961.06.12
申请号	BE19600598053	申请日期	1960.12.12
申请人	CIBA SOCIETE ANONYME	发明人
分类号	(IPC1-7):C01G	主分类号	(IPC1-7):C01G
代理机构		代理人
主权项
地址

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