Copper melting furnace,申请号US19300446504-传众专利搜索

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发明名称	Copper melting furnace
摘要
申请公布号	US1914716(A)	申请公布日期	1933.06.20
申请号	US19300446504	申请日期	1930.04.23
申请人	THE AMERICAN METAL COMPANY, LIMITED	发明人	HEUER RUSSELL P.
分类号	C22B15/00;C22B15/04;C22B15/14	主分类号	C22B15/00
代理机构		代理人
主权项
地址

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