PREPARATION OF COLUMBIUM AND TANTALUM METALS,申请号CAD620031-传众专利搜索

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发明名称	PREPARATION OF COLUMBIUM AND TANTALUM METALS
摘要
申请公布号	CA620031(A)	申请公布日期	1961.05.09
申请号	CAD620031	申请日期
申请人	QUEBEC METALLURGICAL INDUSTRIES LTD.	发明人	ALFRED MAYER;WILLIAM D. HUBLER;EDYTH C. HUBLER
分类号		主分类号
代理机构		代理人
主权项
地址

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