Apparatus for treating metals,申请号US19310574328-传众专利搜索

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发明名称	Apparatus for treating metals
摘要
申请公布号	US1934479(A)	申请公布日期	1933.11.07
申请号	US19310574328	申请日期	1931.11.11
申请人	AMERICAN SMELTING & REFINING COMPANY	发明人	BETTERTON JESSE OATMAN;LEBEDEFF YURII E.
分类号	C22B13/06	主分类号	C22B13/06
代理机构		代理人
主权项
地址

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