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发明名称
UN MÉTODO DE RECUPERAR METALES DE ESCORIAS DE CONVERTIDOR
摘要
申请公布号
ES195987(A1)
申请公布日期
1952.07.01
申请号
ES19870001959
申请日期
1950.12.30
申请人
NORTHFIELD MINES, INC.
发明人
分类号
(IPC1-7):C22B7/04
主分类号
(IPC1-7):C22B7/04
代理机构
代理人
主权项
地址
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