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Title:
【発明の名称】冷間鍛造性に優れた機械構造用強靭鋼の製造方法
Document Type and Number:
Japanese Patent JP3371490
Kind Code:
B2
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Inventors:
Nobuyuki Ishikawa
Tetsuo Shirakami
Application Number:
JP26355593A
Publication Date:
January 27, 2003
Filing Date:
October 21, 1993
Export Citation:
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Assignee:
Nippon Steel Tube Co., Ltd.
International Classes:
C21D7/13; C21D8/00; C22C38/00; C22C38/18; C22C38/32; (IPC1-7): C21D8/00; C22C38/00; C22C38/18; C22C38/32
Domestic Patent References:
JP2294451A
JP6223929A
JP254416B2
Attorney, Agent or Firm:
Takehiko Suzue



 
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