小規模立坑の掘削および復旧工法

Title:

小規模立坑の掘削および復旧工法

Document Type and Number:

Japanese Patent JP4039509

Kind Code:

B2

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Inventors:

Wataru Inomata
Shinobu Satake
Masumi Kobayashi

Application Number:

JP2000295037A

Publication Date:

January 30, 2008

Filing Date:

September 27, 2000

Export Citation:

Assignee:

Tokyo Gas Co., Ltd.

International Classes:

E21B10/02; E01C23/00

Domestic Patent References:

Attorney, Agent or Firm:

Nobujun Kobashi

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