Title:
管内面切削装置
Document Type and Number:
Japanese Patent JP6518947
Kind Code:
B2
Inventors:
Taku Watanabe
Koji Kurokawa
Hiroike Seiichiro
Koji Kurokawa
Hiroike Seiichiro
Application Number:
JP2016046492A
Publication Date:
May 29, 2019
Filing Date:
March 10, 2016
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B23B41/00; B23B29/034
Domestic Patent References:
| JP2014184497A | ||||
| JP2011088243A | ||||
| JP53000484A |
Foreign References:
| CN104816043A |
Attorney, Agent or Firm:
Isomura Tetsuro
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori