Title:
アースオーガなどの駆動制御装置
Document Type and Number:
Japanese Patent JP4171152
Kind Code:
B2
Inventors:
Mitsuo Nagata
Masahiro Inoue
Masahiro Inoue
Application Number:
JP2000014859A
Publication Date:
October 22, 2008
Filing Date:
January 24, 2000
Export Citation:
Assignee:
Nippon Vehicle Manufacturing Co., Ltd.
International Classes:
E21B44/00; E21B7/00; E21B44/06
Domestic Patent References:
| JP11311080A | ||||
| JP7293184A | ||||
| JP58094593A | ||||
| JP5079502A | ||||
| JP11334622A | ||||
| JP11173056A |
Attorney, Agent or Firm:
Tsutomu Adachi
Toshihiro Tanaka
Toshihiro Tanaka