電縫鋼管の製造方法および設備列

Title:

電縫鋼管の製造方法および設備列

Document Type and Number:

Japanese Patent JP4250849

Kind Code:

B2

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Inventors:

Takaaki Toyooka
Motoaki Itaya
Akira Yodo
Yoshikazu Kawabata
Masatoshi Aratani
Masanori Nishimori
Okabe Nochi

Application Number:

JP2000051433A

Publication Date:

April 08, 2009

Filing Date:

February 28, 2000

Export Citation:

Assignee:

jfe Steel Corporation

International Classes:

B21B17/14; B21C37/08; B21C37/30; B23K13/02; B23K37/08

Domestic Patent References:

Attorney, Agent or Firm:

Eiichi Kobayashi

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