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经营范围
发明名称
Procédé pour séparer le zirconium de la silice
摘要
申请公布号
FR1255548(A)
申请公布日期
1961.03.10
申请号
FR19600818850
申请日期
1960.02.18
申请人
COLUMBIA-SOUTHERN CHEMICAL CORPORATION;COLUMBIA NATIONAL CORPORATION
发明人
分类号
C01G25/06;C22B34/14
主分类号
C01G25/06
代理机构
代理人
主权项
地址
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