Title:
コア採取装置およびコア採取装置の先端クリアランスの調整方法
Document Type and Number:
Japanese Patent JP4627505
Kind Code:
B2
Inventors:
Tetsuomi Miyamoto
Application Number:
JP2006055157A
Publication Date:
February 09, 2011
Filing Date:
March 01, 2006
Export Citation:
Assignee:
Christensen Maikai Co., Ltd.
International Classes:
E21B25/00; E02D1/04
Domestic Patent References:
| JP2002349176A | ||||
| JP9021290A | ||||
| JP63091586U | ||||
| JP2000257366A | ||||
| JP10205265A | ||||
| JP2000064763A | ||||
| JP2006070661A |
Attorney, Agent or Firm:
Hideo Takino
Sadao Matsumura
Sadao Matsumura