Method and means for recovering values from ore dumps,申请号US19310571243-传众专利搜索

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发明名称	Method and means for recovering values from ore dumps
摘要
申请公布号	US1908876(A)	申请公布日期	1933.05.16
申请号	US19310571243	申请日期	1931.10.26
申请人	METER JAMES W VAN	发明人	METER JAMES W. VAN
分类号	E21C41/00	主分类号	E21C41/00
代理机构		代理人
主权项
地址

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