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发明名称
Process of separating tantalum and columbium values
摘要
申请公布号
US3062613(A)
申请公布日期
1962.11.06
申请号
US19590853473
申请日期
1959.11.17
申请人
UNION CARBIDE CORPORATION
发明人
PILLOTON ROGER L.;JR. GEORGE E. CRAWLEY,
分类号
C01G33/00
主分类号
C01G33/00
代理机构
代理人
主权项
地址
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