Title:
トンネルの切羽前方の地山・地質構造の探査方法
Document Type and Number:
Japanese Patent JP5472998
Kind Code:
B2
Inventors:
Hiroyuki Yamada
Kazumasa Sakaguchi
Hiroaki Wakabayashi
Satoshi Naganuma
Kazumasa Sakaguchi
Hiroaki Wakabayashi
Satoshi Naganuma
Application Number:
JP2010151902A
Publication Date:
April 16, 2014
Filing Date:
July 02, 2010
Export Citation:
Assignee:
Konoike Gumi Co., Ltd.
International Classes:
E21D9/00; E21B17/00; E21B47/00
Domestic Patent References:
| JP2003066155A | ||||
| JP7508324A | ||||
| JP59013970A | ||||
| JP2006037573A | ||||
| JP2004100272A |
Attorney, Agent or Firm:
Osamu Mori