Title:
埋設ケーシング管の撤去方法
Document Type and Number:
Japanese Patent JP4389813
Kind Code:
B2
Inventors:
Ichinohe Kazuyuki
Application Number:
JP2005060794A
Publication Date:
December 24, 2009
Filing Date:
March 04, 2005
Export Citation:
Assignee:
Ichinohe Kazuyuki
International Classes:
E21B29/00
Domestic Patent References:
| JP7216886A | ||||
| JP2004250883A | ||||
| JP9041868A | ||||
| JP8184028A | ||||
| JP2004137681A |
Attorney, Agent or Firm:
Yasuhiko Hibiya