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发明名称
Columbium and tantalum separation
摘要
申请公布号
US2962372(A)
申请公布日期
1960.11.29
申请号
US19580709451
申请日期
1958.01.17
申请人
UNION CARBIDE CORPORATION
发明人
FOOS RAYMOND A.;GEMPERLINE HOWARD F.
分类号
C22B34/24
主分类号
C22B34/24
代理机构
代理人
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地址
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