Title:
【発明の名称】トンネル内の換気装置
Document Type and Number:
Japanese Patent JP2802983
Kind Code:
B2
Inventors:
Tetsuki Kikuchi
Youichiro Nakamura
Takashi Aono
Motohisa Okamoto
Youichiro Nakamura
Takashi Aono
Motohisa Okamoto
Application Number:
JP17814594A
Publication Date:
September 24, 1998
Filing Date:
July 29, 1994
Export Citation:
Assignee:
Kashima Construction Co., Ltd.
International Classes:
E21F1/00; (IPC1-7): E21F1/00
Domestic Patent References:
| JP270900A |
Attorney, Agent or Firm:
Kubo Tsukasa