Title:
溶接継ぎ手部の靭性を向上させるパーライト系レールの熱処理方法
Document Type and Number:
Japanese Patent JP4105909
Kind Code:
B2
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Inventors:
Ueda Shoji
Koichi Uchino
Koichi Uchino
Application Number:
JP2002201204A
Publication Date:
June 25, 2008
Filing Date:
July 10, 2002
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C21D9/04; C21D9/50; C22C38/00; C22C38/04; C22C38/58
Domestic Patent References:
| JP59093838A | ||||
| JP11092867A |
Attorney, Agent or Firm:
Hiroaki Tamura
Tomoyuki Yabuki
Tomoyuki Yabuki
Previous Patent: JPH04105908
Next Patent: MANUFACTURE OF ONE PIECE PRODUCT OF SEWN OUTER COVERING AND FOAM
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