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发明名称
Procédé de purification de chlorures bruts des métaux niobium et tantale
摘要
申请公布号
BE603667(A1)
申请公布日期
1961.09.01
申请号
BE19610603667
申请日期
1961.05.10
申请人
CIBA SOCIETE ANONYME
发明人
分类号
C01G33/00;(IPC1-7):C01G
主分类号
C01G33/00
代理机构
代理人
主权项
地址
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