Title:
アースドリル
Document Type and Number:
Japanese Patent JP5766079
Kind Code:
B2
More Like This:
| JP2001173357 | METHOD AND DEVICE FOR FIXING EXCAVATOR |
Inventors:
Okumura Takayoshi
Application Number:
JP2011206980A
Publication Date:
August 19, 2015
Filing Date:
September 22, 2011
Export Citation:
Assignee:
Nippon Vehicle Manufacturing Co., Ltd.
International Classes:
E21B15/00; E21B3/02
Domestic Patent References:
| JP2000296991A | ||||
| JP58023886U | ||||
| JP60055439B2 | ||||
| JP6080391A | ||||
| JP8133679A | ||||
| JP61086393A |
Foreign References:
| US5649635 |
Attorney, Agent or Firm:
Kazuhiko Kido
Yoshihiko Kido
Yoshihiko Kido