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发明名称
UN PROCEDIMIENTO DE PRODUCIR HIERRO POR REDUCCIËN DE MINERAL DE HIERRO
摘要
申请公布号
ES243885(A1)
申请公布日期
1959.03.16
申请号
ES19850002438
申请日期
1958.08.30
申请人
R. N. CORPORATION
发明人
分类号
C21B;(IPC1-7):C21B
主分类号
C21B
代理机构
代理人
主权项
地址
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