Title:
管内面切削装置
Document Type and Number:
Japanese Patent JP5817768
Kind Code:
B2
Inventors:
Koji Kurokawa
Koji Sugano
Akira Ashidate
Koji Sugano
Akira Ashidate
Application Number:
JP2013059373A
Publication Date:
November 18, 2015
Filing Date:
March 22, 2013
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B23B41/00; B23B39/00
Domestic Patent References:
| JP53000484A | ||||
| JP5337707A |
Foreign References:
| US6243962 |
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori