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Title:
高強度電縫鋼管の製造方法
Document Type and Number:
Japanese Patent JP4815729
Kind Code:
B2
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Inventors:
Power
Tatsuya Nakagaichi
Masatoshi Aratani
Application Number:
JP2001291696A
Publication Date:
November 16, 2011
Filing Date:
September 25, 2001
Export Citation:
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Assignee:
jfe Steel Corporation
International Classes:
C21D8/10; C22C38/00; C22C38/06; C22C38/58
Domestic Patent References:
JP2002167649A
Attorney, Agent or Firm:
Junzo Ogawa
Morio Nakamura



 
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