Title:
削孔方向制御工法
Document Type and Number:
Japanese Patent JP4942059
Kind Code:
B2
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Inventors:
Mitsuhiro Shibasaki
Hiroshi Yoshida
Hiroshi Yoshida
Application Number:
JP2001265323A
Publication Date:
May 30, 2012
Filing Date:
September 03, 2001
Export Citation:
Assignee:
Chemical Grout Co., Ltd.
International Classes:
E21B7/10
Domestic Patent References:
| JP63210396A | ||||
| JP3206286A | ||||
| JP60250192A |
Attorney, Agent or Firm:
Toshitada Takahashi
Toshikuni Takahashi
Toshikuni Takahashi