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发明名称
VERFAHREN ZUR EXTRAKTION VON ZINK AUS SCHWEFELHALTIGEN KONZENTRATEN
摘要
申请公布号
DE69402881(D1)
申请公布日期
1997.05.28
申请号
DE19946002881
申请日期
1994.08.24
申请人
N.V. UNION MINIERE S.A., BRUESSEL/BRUXELLES, BE
发明人
VAN PUT, JOHN, W., B-2018 ANTWERPEN, BE;TERWINGHE, FRANCOIS, M., I., G., B-2400 MOL, BE;DE NYS, THIERRY, S., A., B-2400 MOL, BE
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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