Title:
ロングレールの製造方法
Document Type and Number:
Japanese Patent JP5454658
Kind Code:
B2
Inventors:
Kenichi Mine
Ueda Shoji
Ueda Shoji
Application Number:
JP2012253416A
Publication Date:
March 26, 2014
Filing Date:
November 19, 2012
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
International Classes:
C21D7/06; B23K9/038; B23K31/00
Domestic Patent References:
| JP2008544861A | ||||
| JP3249127A | ||||
| JP59106603A | ||||
| JP2002180201A | ||||
| JP2008274744A | ||||
| JP2008274745A | ||||
| JP2008274414A |
Foreign References:
| WO2007005080A2 |
Attorney, Agent or Firm:
Mutsumi Yanase
Masaaki Utsunomiya
Atsushi Watanabe
Masaaki Utsunomiya
Atsushi Watanabe