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 JP4305573
Kind Code:
B1
Inventors:
Kazumune Shimoda
Tomio Yamakawa
Koji Muramatsu
Yuji Inoue
Tomio Yamakawa
Koji Muramatsu
Yuji Inoue
Application Number:
JP2008557537A
Publication Date:
July 29, 2009
Filing Date:
December 15, 2008
Export Citation:
Assignee:
SUMITOMO METAL INDUSTRIES,LTD.
International Classes:
B21B23/00; B21B19/04
Domestic Patent References:
JP2001219205A | ||||
JP7214113A |
Attorney, Agent or Firm:
Hidetoshi Ueba
Tadashi Takezoe
Tadashi Takezoe
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