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经营范围
发明名称
Procédé d'extraction du hafnium
摘要
申请公布号
CH408883(A)
申请公布日期
1966.03.15
申请号
CH19620014732
申请日期
1962.12.14
申请人
COMMISSARIAT A L'ENERGIE ATOMIQUE
发明人
CALMES,ALAIN DE;HUMEAU,HENRI;LECOCQ,ALFRED
分类号
C01G25/00;C01G27/00;C22B3/32;C22B3/38;(IPC1-7):C01G27/00
主分类号
C01G25/00
代理机构
代理人
主权项
地址
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