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发明名称
Improved manufacture of vanadium-aluminium-silicon alloys
摘要
申请公布号
GB305202(A)
申请公布日期
1930.03.20
申请号
GB19280037682
申请日期
1928.12.20
申请人
VANADIUM CORPORATION OF AMERICA
发明人
分类号
C22C27/02
主分类号
C22C27/02
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代理人
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