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发明名称
Method and apparatus for heattreating rail heads
摘要
申请公布号
US3276924(A)
申请公布日期
1966.10.04
申请号
US19650497389
申请日期
1965.10.18
申请人
YAWATA IRON & STEEL CO., LTD.;DAI-ICHI KOSHUHA KOGYO KABUSHIKI KAISHA
发明人
OKAMOTO TATSUMI
分类号
C21D9/06;H05B6/02
主分类号
C21D9/06
代理机构
代理人
主权项
地址
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