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发明名称
Quench-hardening thermally hardenable steel
摘要
申请公布号
US2441628(A)
申请公布日期
1948.05.18
申请号
US19450572018
申请日期
1945.01.09
申请人
THE AMERICAN STEEL AND WIRE COMPANY
发明人
GRIFFITHS RONALD E.;SPARE GORDON T.
分类号
C21D1/22
主分类号
C21D1/22
代理机构
代理人
主权项
地址
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