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经营范围
发明名称
PROCEDE D'EXTRACTION DE ZINC
摘要
申请公布号
BE801794(A1)
申请公布日期
1974.01.02
申请号
BE19730133018
申请日期
1973.07.02
申请人
FARBWERKE HOECHST A.G. VORMALS MEISTER LUCIUS + BRUNING, 6230FRANCFORT (M)-HOECHST (ALLEMAGNE),
发明人
分类号
C01G9/00;C22B3/38;(IPC1-7):22B/
主分类号
C01G9/00
代理机构
代理人
主权项
地址
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