Title:
【考案の名称】ケーシングチユーブ回転用の油圧駆動装置
Document Type and Number:
Japanese Patent JP2567312
Kind Code:
Y2
Inventors:
Hiroo Hirose
Application Number:
JP6015592U
Publication Date:
April 02, 1998
Filing Date:
July 14, 1992
Export Citation:
Assignee:
Kato Manufacturing Co., Ltd.
International Classes:
E02D7/22; E02D13/00; E21B3/06; F15B11/02; (IPC1-7): E02D7/22; E02D13/00
Domestic Patent References:
| JP366829A | ||||
| JP312929U |
Attorney, Agent or Firm:
Jiro Sendo