Process of reducing iron ores,申请号US19280293491-传众专利搜索

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发明名称	Process of reducing iron ores
摘要
申请公布号	US1833320(A)	申请公布日期	1931.11.24
申请号	US19280293491	申请日期	1928.07.17
申请人	DAVIS STEEL PROCESS CORPORATION	发明人	DAVIS EDWARD W.
分类号	C21B13/10	主分类号	C21B13/10
代理机构		代理人
主权项
地址

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