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发明名称
Procédés perfectionnés de séparation de l'yttrium élément contenu dans les terres rares
摘要
申请公布号
FR1514428(A)
申请公布日期
1968.02.23
申请号
FR19670093376
申请日期
1967.02.01
申请人
THORIUM LIMITED
发明人
分类号
C22B59/00;B01D11/04;C01F17/00;C09K11/01
主分类号
C22B59/00
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代理人
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