Title:
角パイプの製造方法
Document Type and Number:
Japanese Patent JP4251896
Kind Code:
B2
Inventors:
Yukiyoshi Murakami
Application Number:
JP2003083289A
Publication Date:
April 08, 2009
Filing Date:
March 25, 2003
Export Citation:
Assignee:
Yukiyoshi Murakami
International Classes:
B21C37/15; B21D3/02
Domestic Patent References:
JP63157719A | ||||
JP6335724A |
Attorney, Agent or Firm:
Toshio Hirayama