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
Application filed by Juha HakotiefiledCriticalJuha Hakotie
Priority to FI1622/74ApriorityCriticalpatent/FI56748C/fi
Priority to SE7505884Aprioritypatent/SE7505884L/xx
Priority to DE19752523151prioritypatent/DE2523151A1/de
Publication of FI162274A7publicationCriticalpatent/FI162274A7/fi
Application grantedgrantedCritical
Publication of FI56748BpublicationCriticalpatent/FI56748B/fi
Publication of FI56748CpublicationCriticalpatent/FI56748C/fi
FI1622/74A1974-05-271974-05-27Vaermevaexlare foer uppvaermning eller avkylning av friskluft som ledes till en lokalitet med luft som avledes fraon denna
FI56748C
(fi)