Title:
コア採取方法及びコア採取装置
Document Type and Number:
Japanese Patent JP4025485
Kind Code:
B2
Inventors:
Yoshiaki Oho
Kunio Araki
Nishie Shunsaku
Kunio Araki
Nishie Shunsaku
Application Number:
JP2000141163A
Publication Date:
December 19, 2007
Filing Date:
May 15, 2000
Export Citation:
Assignee:
Central Development Co., Ltd.
International Classes:
E21B25/00; E02D1/04
Domestic Patent References:
| JP55138589A | ||||
| JP55065694A | ||||
| JP5149078A | ||||
| JP2016289A | ||||
| JP60261889A | ||||
| JP11043930A | ||||
| JP10061362A |
Attorney, Agent or Firm:
Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Tadahiko Kurita
Yasushi Kobayashi
Shigeo Takeuchi
Shosuke Imai
Tadashi Masui
Tadahiko Kurita
Yasushi Kobayashi
Shigeo Takeuchi