Title:
金属素材の穿孔圧延に用いられるプラグの製造方法、金属管の製造方法及び金属素材の穿孔圧延に用いられるプラグ
Document Type and Number:
Japanese Patent JPWO2008096708
Kind Code:
A
Inventors:
Naoya Hirase
Yasuyoshi Hidaka
神地 Yasuhiro
Yasuyoshi Hidaka
神地 Yasuhiro
Application Number:
JP2008051766W
Publication Date:
August 14, 2008
Filing Date:
February 04, 2008
Export Citation:
Assignee:
Sumitomo Metal Industries, Ltd.
International Classes:
B21B19/04; B21B25/00
Attorney, Agent or Firm:
Hidetoshi Ueha
Tadashi Takezoe
Tadashi Takezoe
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