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发明名称
Forgeable high speed steel
摘要
申请公布号
US2130822(A)
申请公布日期
1938.09.20
申请号
US19370119263
申请日期
1937.01.06
申请人
FIRTH-STERLING STEEL COMPANY
发明人
WELCH ELMER B.
分类号
C22C38/32
主分类号
C22C38/32
代理机构
代理人
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地址
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