Title:
継目無金属管の製造方法及びそれに用いられるポンチ
Document Type and Number:
Japanese Patent JPWO2009122620
Kind Code:
A
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Inventors:
Kazumune Shimoda
Yuji Inoue
Tomio Yamakawa
Muramatsu Koji
Yuji Inoue
Tomio Yamakawa
Muramatsu Koji
Application Number:
JP2008072746W
Publication Date:
October 08, 2009
Filing Date:
December 15, 2008
Export Citation:
Assignee:
Sumitomo Metal Industries, Ltd.
International Classes:
B21B23/00; B21B19/04
Attorney, Agent or Firm:
Hidetoshi Ueha
Tadashi Takezoe
Tadashi Takezoe