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经营范围
发明名称
Ferrous alloy
摘要
申请公布号
US1961777(A)
申请公布日期
1934.06.05
申请号
US19320589536
申请日期
1932.01.28
申请人
THE CARPENTER STEEL COMPANY
发明人
PALMER FRANK R.
分类号
C21C7/00;C22C38/60
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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