Title:
多重被覆鋼管
Document Type and Number:
Japanese Patent JP5187435
Kind Code:
B2
Inventors:
Keiji Sugawara
Toshiyuki Hoshino
Yasuhiro Harada
Masahito Kaneko
Toshiyuki Hoshino
Yasuhiro Harada
Masahito Kaneko
Application Number:
JP2011282696A
Publication Date:
April 24, 2013
Filing Date:
December 26, 2011
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
F16L9/14; B32B1/08; B32B15/085; B29C47/02
Domestic Patent References:
| JP59209855A | ||||
| JP54158720A | ||||
| JP1076602A | ||||
| JP49130956A | ||||
| JP9267433A |
Attorney, Agent or Firm:
Eiichi Kobayashi
Suzuki Yoko
Suzuki Yoko