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Patent Searching and Data


Title:
トンネル換気システム
Document Type and Number:
Japanese Patent JP3627070
Kind Code:
B2
Inventors:
松田 英壽
Application Number:
JP10029795A
Publication Date:
March 09, 2005
Filing Date:
March 31, 1995
Export Citation:
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Assignee:
株式会社三井三池製作所
International Classes:
E21F1/00; (IPC1-7): E21F1/00
Domestic Patent References:
JP5149100A
JP5371954U
Attorney, Agent or Firm:
橋本 克彦