Reduction of ores,申请号US19290382346-传众专利搜索

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发明名称	Reduction of ores
摘要
申请公布号	US1796563(A)	申请公布日期	1931.03.17
申请号	US19290382346	申请日期	1929.07.31
申请人	LINDLEY DUFFIELD FREDERICK	发明人	DUFFIELD FREDERICK LINDLEY
分类号	F25C1/00;F27B15/10;F27B17/00	主分类号	F25C1/00
代理机构		代理人
主权项
地址

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