Title:
コア採取方法及びコア採取装置
Document Type and Number:
Japanese Patent JP4041288
Kind Code:
B2
Inventors:
Ichiro Seko
Gunji Okano
Kunio Araki
Yoshiaki Oho
Tsutomu Okuma
Gunji Okano
Kunio Araki
Yoshiaki Oho
Tsutomu Okuma
Application Number:
JP2001095066A
Publication Date:
January 30, 2008
Filing Date:
March 29, 2001
Export Citation:
Assignee:
Central Development Co., Ltd.
International Classes:
E21B25/00; E02D1/04
Domestic Patent References:
| JP55138589A | ||||
| JP55065694A | ||||
| JP4055589A | ||||
| JP5149078A | ||||
| JP2016289A | ||||
| JP11043930A | ||||
| JP10061362A | ||||
| JP2190593A | ||||
| JP60261889A |
Attorney, Agent or Firm:
Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Shigeo Takeuchi
Shosuke Imai
Tadashi Masui
Yasushi Kobayashi
Hiroyuki Tomita
Shigeo Takeuchi