Electrothermic smelting of sulphidiferous materials,申请号US19300494037-传众专利搜索

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发明名称	Electrothermic smelting of sulphidiferous materials
摘要
申请公布号	US1873800(A)	申请公布日期	1932.08.23
申请号	US19300494037	申请日期	1930.11.07
申请人	RICHARD WEJNARTH AXEL	发明人	WEJNARTH AXEL RICHARD
分类号	C22B4/00;C22B4/08	主分类号	C22B4/00
代理机构		代理人
主权项
地址

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