Title:
ドライブヘッド装置
Document Type and Number:
Japanese Patent JP4197385
Kind Code:
B2
Inventors:
Koji Mishima
Hashimoto
Taro Watanabe
Hashimoto
Taro Watanabe
Application Number:
JP2000020630A
Publication Date:
December 17, 2008
Filing Date:
January 28, 2000
Export Citation:
Assignee:
Toa Tone Bowling Co., Ltd.
International Classes:
E02D1/04; E21B3/02; E21B3/025
Domestic Patent References:
| JP51062516A | ||||
| JP9125356A | ||||
| JP9242062A |
Attorney, Agent or Firm:
Yoshikazu Ishii