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发明名称
Tool steel
摘要
申请公布号
US2369211(A)
申请公布日期
1945.02.13
申请号
US19420445122
申请日期
1942.05.30
申请人
CLARK FRANCES H;DIRKES ROBERT F
发明人
CLARK FRANCES H.;DIRKES ROBERT F.
分类号
C22C33/02
主分类号
C22C33/02
代理机构
代理人
主权项
地址
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