Title:
円筒管杭の敷設装置及び敷設方法
Document Type and Number:
Japanese Patent JP5134978
Kind Code:
B2
Inventors:
Akisaka Toshio
Application Number:
JP2008007821A
Publication Date:
January 30, 2013
Filing Date:
January 17, 2008
Export Citation:
Assignee:
Akisaka Toshio
International Classes:
E02D7/00; E21B3/02; E21B10/28
Domestic Patent References:
| JP2000170161A | ||||
| JP6312221Y2 | ||||
| JP48025314A | ||||
| JP2003082689A |
Attorney, Agent or Firm:
Nakagawa International Patent Office