Title:
Drilling construction method
Document Type and Number:
Japanese Patent JP6236306
Kind Code:
B2
Inventors:
Ukagawa Masanori
Soma Kei
Yoshitaka Noro
Soma Kei
Yoshitaka Noro
Application Number:
JP2013253950A
Publication Date:
November 22, 2017
Filing Date:
December 09, 2013
Export Citation:
Assignee:
Chemical Grout Co., Ltd.
International Classes:
E02D1/02; E02D3/12
Domestic Patent References:
| JP54147601A | ||||
| JP11280055A |
Foreign References:
| US4958962 |
Attorney, Agent or Firm:
Takahashi Patent Office