地中空洞の施工方法 - Shimizu Construction Co., Ltd.

Title:

地中空洞の施工方法

Document Type and Number:

Japanese Patent JP4771170

Kind Code:

B2

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Inventors:

Yukio Yabe

Application Number:

JP2006346962A

Publication Date:

September 14, 2011

Filing Date:

December 25, 2006

Export Citation:

Assignee:

Shimizu Construction Co., Ltd.

International Classes:

E21D9/04; E21D9/06; E21D13/02

Domestic Patent References:

Attorney, Agent or Firm:

Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama

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