Title:
トンネル換気装置
Document Type and Number:
Japanese Patent JPH065078
Kind Code:
B2
Inventors:
KUBOTA TAKASHI
NAKAMURA SHOGO
NAKAMURA SHOGO
Application Number:
JP28579187A
Publication Date:
January 19, 1994
Filing Date:
November 12, 1987
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
F21V1/00; E21F1/00; F04D29/54; F24F7/06; (IPC1-7): F04D29/54; E21F1/00
Attorney, Agent or Firm:
山口 巖
Next Patent: ADDRESS-CHANGE DETECTION CIRCUIT