Process of refining metals,申请号US19310537986-传众专利搜索

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发明名称	Process of refining metals
摘要
申请公布号	US1978537(A)	申请公布日期	1934.10.30
申请号	US19310537986	申请日期	1931.05.16
申请人	JEAVONS WILLIAM R;RENTSCHLER MAHLON J	发明人	JEAVONS WILLIAM R.;RENTSCHLER MAHLON J.
分类号	C22B9/10	主分类号	C22B9/10
代理机构		代理人
主权项
地址

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