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Title:
【発明の名称】継目無鋼管の加工熱処理における温度制御方法
Document Type and Number:
Japanese Patent JP3081729
Kind Code:
B2
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Inventors:
Yoshikazu Naito
Application Number:
JP5009893A
Publication Date:
August 28, 2000
Filing Date:
February 15, 1993
Export Citation:
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Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B21B45/00; C21D8/10; C21D9/08; C21D11/00; C22C38/00; (IPC1-7): C21D9/08; B21B45/00; C21D8/10; C21D11/00; C22C38/00
Domestic Patent References:
JP6396215A
JP533058A
JP61253112A
JP62227509A
JP61219412A
JP3116205U
JP5814487B2
Attorney, Agent or Firm:
Yoshihisa Oshida



 
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