Process and device for refining metals and alloys by vacuum at high temperatures,申请号GB19330032924-传众专利搜索

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发明名称	Process and device for refining metals and alloys by vacuum at high temperatures
摘要
申请公布号	GB426573(A)	申请公布日期	1935.04.05
申请号	GB19330032924	申请日期	1933.11.24
申请人	AMERICAN SMELTING AND REFINING COMPANY	发明人
分类号	C22B9/04;C22B13/06	主分类号	C22B9/04
代理机构		代理人
主权项
地址

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