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Title:
中実丸ビレットとその製造方法およびマルテンサイト系ステンレス鋼継目無鋼管の製造方法
Document Type and Number:
Japanese Patent JP4107199
Kind Code:
B2
Inventors:
Hiroshi Nakaike
Toshiro Anraku
Application Number:
JP2003299856A
Publication Date:
June 25, 2008
Filing Date:
August 25, 2003
Export Citation:
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Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B21B19/04; C22C38/00; C21D9/00; C22C38/44
Domestic Patent References:
JP2001059143A
JP8109444A
JP7150251A
JP7179943A
JP2001096304A
Attorney, Agent or Firm:
Mikiji Sugioka
Terutada Hogami