DIFFERENTIAL FROTH FLOTATION OF COPPER AND ZINC,申请号CAD495983-传众专利搜索

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发明名称	DIFFERENTIAL FROTH FLOTATION OF COPPER AND ZINC
摘要
申请公布号	CA495983(A)	申请公布日期	1953.09.08
申请号	CAD495983	申请日期
申请人	NORMETAL MINING CORPORATION	发明人	FRANCIS C. B. LENDRUM
分类号		主分类号
代理机构		代理人
主权项
地址

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