【発明の名称】トンネル掘削工法

Title:

【発明の名称】トンネル掘削工法

Document Type and Number:

Japanese Patent JP2767230

Kind Code:

B2

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Inventors:

TAKAMORI SADAHIKO
KASUYA TADANORI
NABETA KUNIO

Application Number:

JP6913796A

Publication Date:

June 18, 1998

Filing Date:

February 29, 1996

Export Citation:

Assignee:

MAEDA KENSETSU KOGYO KK

International Classes:

E21D9/00; E21B7/02; E21B15/00; E21B19/08; E21D9/10; E21D11/10; (IPC1-7): E21D9/00; E21C11/02; E21D9/10; E21D11/10

Domestic Patent References:

Attorney, Agent or Firm:

Fujii Minoru

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