Title:
素材管の加工方法,素材管の加工装置及び加工管
Document Type and Number:
Japanese Patent JP5710872
Kind Code:
B2
Inventors:
Tamio Ashino
Hidehiko Suzuki
Yamamura Yumi
Hidehiko Suzuki
Yamamura Yumi
Application Number:
JP2009225269A
Publication Date:
April 30, 2015
Filing Date:
September 29, 2009
Export Citation:
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA
International Classes:
B21D51/16; B21D9/15; B21D26/033; B21D53/84
Domestic Patent References:
JP5007779A | ||||
JP63256226A | ||||
JP2004283893A | ||||
JP2007209998A | ||||
JP2002219526A | ||||
JP2084219A | ||||
JP61262430A |
Attorney, Agent or Firm:
Tsutomu Shimoichi