Title:
掘進用管状ユニットおよびこれを使用する地盤改良工法
Document Type and Number:
Japanese Patent JP4522909
Kind Code:
B2
More Like This:
Inventors:
Isao Nemoto
Application Number:
JP2005147401A
Publication Date:
August 11, 2010
Filing Date:
May 19, 2005
Export Citation:
Assignee:
Nemoto Planning Industry Co., Ltd.
International Classes:
E02D3/12; E21B7/04; E21B17/20
Domestic Patent References:
| JP2002194733A | ||||
| JP6212621A | ||||
| JP20033459A | ||||
| JP8165638A |
Attorney, Agent or Firm:
Eiichi Kobayashi