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发明名称
METHOD FOR REMOVING ZINC FROM SULPHURED CONCENTRATES
摘要
申请公布号
EP0719347(B1)
申请公布日期
1997.04.23
申请号
EP19940926871
申请日期
1994.08.24
申请人
N.V. UNION MINIERE S.A.
发明人
VAN PUT, JOHN, W.;TERWINGHE, FRANCOIS;DE NYS, THIERRY, S., A.
分类号
C22B3/04;C22B3/08;C22B19/00;C22B19/02;C22B19/20;(IPC1-7):C22B3/08
主分类号
C22B3/04
代理机构
代理人
主权项
地址
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