Title:
【発明の名称】チュービング装置用回転反力取り装置
Document Type and Number:
Japanese Patent JP2999711
Kind Code:
B2
Inventors:
Akira Iwakura
Application Number:
JP10115396A
Publication Date:
January 17, 2000
Filing Date:
April 23, 1996
Export Citation:
Assignee:
Nippon Vehicle Manufacturing Co., Ltd.
International Classes:
E02D7/20; E02D13/00; E21B3/025; (IPC1-7): E21B3/025
Domestic Patent References:
| JP6136752A | ||||
| JP5927029A | ||||
| JP56163150U | ||||
| JP1120538U |
Attorney, Agent or Firm:
Tsutomu Adachi