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发明名称
Improvements in the extraction of vanadium
摘要
申请公布号
GB805025(A)
申请公布日期
1958.11.26
申请号
GB19570005982
申请日期
1957.02.22
申请人
UNION CARBIDE CORPORATION
发明人
分类号
C01G31/00
主分类号
C01G31/00
代理机构
代理人
主权项
地址
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