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经营范围
发明名称
Alloy steel
摘要
申请公布号
US2375953(A)
申请公布日期
1945.05.15
申请号
US19420460274
申请日期
1942.09.30
申请人
NATIONAL STEEL CORPORATION
发明人
SELMI LUCIANO G.;ALTENBURGER CLARENCE L.
分类号
C22C38/28
主分类号
C22C38/28
代理机构
代理人
主权项
地址
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