Title:
拡管性に優れる油井用ステンレス鋼管およびその製造方法
Document Type and Number:
Japanese Patent JP5399635
Kind Code:
B2
Inventors:
Mitsuo Kimura
Tanaka All the persons
Tanaka All the persons
Application Number:
JP2008015091A
Publication Date:
January 29, 2014
Filing Date:
January 25, 2008
Export Citation:
Assignee:
JFE Steel Corporation
International Classes:
E21B17/08; B21D41/02; B23K31/00; C21D9/08; C22C38/00; C22C38/38; C22C38/58; E21B43/00
Attorney, Agent or Firm:
Ken-ichiro Ochiai
Kobayashi Eiichi
Yoko Suzuki
Kobayashi Eiichi
Yoko Suzuki