トンネルの拡幅部構築方法 - Nishimatsu Construction Co., Ltd.

Title:

トンネルの拡幅部構築方法

Document Type and Number:

Japanese Patent JP5106802

Kind Code:

B2

Inventors:

Kenji Sannohe
Ikuo Oe
Hisashi Nomoto

Application Number:

JP2006188019A

Publication Date:

December 26, 2012

Filing Date:

July 07, 2006

Export Citation:

Assignee:

Nishimatsu Construction Co., Ltd.

International Classes:

E21D9/06; E21D9/10; E21D11/14

Domestic Patent References:

Attorney, Agent or Firm:

Hiroshi Arafune
Yoshio Arafune

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