掘削装置 - Sumitomo Metal Pipe Engineering Co., Ltd.

Title:

掘削装置

Document Type and Number:

Japanese Patent JP4287569

Kind Code:

B2

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Inventors:

Hidenori Nomura
Taku Kazuo
Tsuruki Yuuo
Chika Ishizuka

Application Number:

JP2000099791A

Publication Date:

July 01, 2009

Filing Date:

March 31, 2000

Export Citation:

Assignee:

Sumitomo Metal Pipe Engineering Co., Ltd.
Fukuda Gumi Co., Ltd.

International Classes:

E21D9/06

Domestic Patent References:

Attorney, Agent or Firm:

Tsuyoshi Yoshii
Masae Yoshii

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