Title:
【発明の名称】水抜き工法及びそれに使用する土留め用支保工
Document Type and Number:
Japanese Patent JP2923498
Kind Code:
B1
Inventors:
Kenichiro Hirahara
Application Number:
JP13674398A
Publication Date:
July 26, 1999
Filing Date:
May 19, 1998
Export Citation:
Assignee:
Kenichiro Hirahara
International Classes:
E02D19/10; E02D3/10; E02D17/04; (IPC1-7): E02D19/10; E02D3/10
Domestic Patent References:
| JP306824B1 |
Attorney, Agent or Firm:
Nobumichi Miyata