Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from SE8306259Aexternal-prioritypatent/SE437723B/sv
Application filed by Heatrec Ab, Gloeersen Stig, Johan H KarlstedtfiledCriticalHeatrec Ab
Publication of NO852819LpublicationCriticalpatent/NO852819L/no
Publication of NO157675BpublicationCriticalpatent/NO157675B/no
Publication of NO157675CpublicationCriticalpatent/NO157675C/no
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]
Y02B30/12—Hot water central heating systems using heat pumps
Y02B30/126—
NO852819A1983-11-141985-07-12Fremgangsmaate og anordning for drift av et varmeanlegg.
NO157675C
(no)