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Title:
SHAFT CONCENTRATED EXHAUST LONGITUDINAL FLOW VENTILATION CONTROL SYSTEM
Document Type and Number:
Japanese Patent JPS6394000
Kind Code:
A
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Inventors:
TANAKA SHUNICHIRO
Application Number:
JP23616386A
Publication Date:
April 25, 1988
Filing Date:
October 06, 1986
Export Citation:
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Assignee:
HITACHI LTD
HITACHI ENG CO LTD
International Classes:
E21F1/00; F24F7/06; (IPC1-7): E21F1/00; F24F7/06
Attorney, Agent or Firm:
Katsuo Ogawa



 
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