トンネル防災システム - Kashima Construction Co., Ltd.

Title:

トンネル防災システム

Document Type and Number:

Japanese Patent JP3977190

Kind Code:

B2

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Inventors:

Kurioka Hitoshi
Hiroomi Sato
Reiko Amano
Kashiki Hashimoto

Application Number:

JP2002227004A

Publication Date:

September 19, 2007

Filing Date:

August 05, 2002

Export Citation:

Assignee:

Kashima Construction Co., Ltd.

International Classes:

A62C2/08; E21F1/00; A62B3/00; A62B13/00; A62C3/00; A62C35/15; E21F5/04; F24F7/06

Domestic Patent References:

Attorney, Agent or Firm:

Funabashi Kuninori

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