Procédé de concentration préalable de métaux non ferreux,申请号FRD1074704-传众专利搜索

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发明名称	Procédé de concentration préalable de métaux non ferreux
摘要
申请公布号	FR1074704(A)	申请公布日期	1954.10.07
申请号	FRD1074704	申请日期	1952.12.20
申请人	CHEMICAL CONSTRUCTION CORPORATION	发明人
分类号	C22B3/00;C22B15/00;C22B23/00	主分类号	C22B3/00
代理机构		代理人
主权项
地址

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