00717naa#a2200169#i#450# EN\\bibl\99974 20250628001500.6 2686-7788 20250624b2025####ek#y0engy0150####ca RU ANALYSIS OF THE EFFICIENCY OF USING PLATE HEAT EXCHANGERS IN VENTILATION SYSTEMS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2025 6 с. Journal article local Санитарная техника. Санитарно-технические сооружения. Водоснабжение. 628 Kuz'min Sergey Ivanovich angtu.editorum.ru