Direct iron ore reduction,申请号US19300499793-传众专利搜索

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发明名称	Direct iron ore reduction
摘要
申请公布号	US1891850(A)	申请公布日期	1932.12.20
申请号	US19300499793	申请日期	1930.12.03
申请人	TRENT PROCESS CORPORATION	发明人	TRENT WALTER EDWIN
分类号	C21B13/00;C21B13/04;C21B13/06	主分类号	C21B13/00
代理机构		代理人
主权项
地址

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