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发明名称
Process for producing high speed cutting tools
摘要
申请公布号
US2291943(A)
申请公布日期
1942.08.04
申请号
US19410389884
申请日期
1941.04.23
申请人
CRUCIBLE STEEL COMPANY
发明人
BERGEN LEWIS S.;BRIGGS JANET Z.
分类号
C22C38/24
主分类号
C22C38/24
代理机构
代理人
主权项
地址
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