Title:
トンネル覆工コンクリート打設構造
Document Type and Number:
Japanese Patent JP4841476
Kind Code:
B2
Inventors:
Koji Tsukamoto
Hamada Gen
Hamada Gen
Application Number:
JP2007071037A
Publication Date:
December 21, 2011
Filing Date:
March 19, 2007
Export Citation:
Assignee:
Okumura Gumi Co., Ltd.
International Classes:
E21D11/10
Domestic Patent References:
| JP2003003795A | ||||
| JP2001262986A | ||||
| JP2006336258A | ||||
| JP2008082045A |
Attorney, Agent or Firm:
Osamu Hatori
Shuichi Maeda
Shuichi Maeda