Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Plant Technologies Ltd
Original Assignee
Hitachi Plant Technologies Ltd
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Publication date
Application filed by Hitachi Plant Technologies LtdfiledCriticalHitachi Plant Technologies Ltd
Priority to JP3375577ApriorityCriticalpatent/JPS53130839A/en
Publication of JPS53130839ApublicationCriticalpatent/JPS53130839A/en
PURPOSE: To provide a duct system for air conditioner, in which dampers are provided at each of the connecting portions between ducts that are arranged substantially in a H-shape on the ceiling of a room, and hot-or cool-air flow is controlled by these dampers, whereby ducting works can be greatly simplified.
COPYRIGHT: (C)1978,JPO&Japio
JP3375577A1977-03-251977-03-25Duct device for air conditioner
PendingJPS53130839A
(en)