Process for the treatment of sulphide ores,申请号US19370141861-传众专利搜索

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发明名称	Process for the treatment of sulphide ores
摘要
申请公布号	US2219633(A)	申请公布日期	1940.10.29
申请号	US19370141861	申请日期	1937.05.10
申请人	JOHN PANDE	发明人	PANDE JOHN
分类号	C22B3/00;C22B3/06;C25C1/18	主分类号	C22B3/00
代理机构		代理人
主权项
地址

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