Title:
原位置地盤凍結用冷媒の循環装置
Document Type and Number:
Japanese Patent JP4010642
Kind Code:
B2
Inventors:
Atsushi Ohara
Onishi Akimitsu
Naoto Takehara
Kazuyuki Inui
Onishi Akimitsu
Naoto Takehara
Kazuyuki Inui
Application Number:
JP13012498A
Publication Date:
November 21, 2007
Filing Date:
May 13, 1998
Export Citation:
Assignee:
Tokyo Soil Research Co., Ltd.
International Classes:
E21B25/08; E02D1/04
Domestic Patent References:
| JP3003977A | ||||
| JP61017626A | ||||
| JP5098882A | ||||
| JP6147697A |
Attorney, Agent or Firm:
Masahiko Yamana