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Priority to JP1971038991UpriorityCriticalpatent/JPS5114208Y2/ja
Publication of JPS4735442UpublicationCriticalpatent/JPS4735442U/ja
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Publication of JPS5114208Y2publicationCriticalpatent/JPS5114208Y2/ja
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Y02B30/54—Free-cooling systems
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Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units
(AREA)