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经营范围
发明名称
Ferritic alloy
摘要
申请公布号
US2542220(A)
申请公布日期
1951.02.20
申请号
US19480052983
申请日期
1948.10.05
申请人
NATIONAL LEAD COMPANY
发明人
URBAN STEPHEN F.;COMSTOCK GEORGE F.
分类号
C22C38/00;C22C38/14
主分类号
C22C38/00
代理机构
代理人
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地址
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