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发明名称
Method of softening steel
摘要
申请公布号
US3285789(A)
申请公布日期
1966.11.15
申请号
US19630287434
申请日期
1963.06.12
申请人
UNITED STATES STEEL CORPORATION
发明人
GRANGE RAYMOND A.;MITCHELL JAMES B.
分类号
C21D8/00
主分类号
C21D8/00
代理机构
代理人
主权项
地址
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