00685naa#a2200181#i#450# EN\\bibl\34108 20240506235125.1 2686-777X 20191211b2019####ek#y0engy0150####ca RU DEVELOPMENT OF A LABORATORY UNIT FOR HYDRODYNAMIC STUDIES OF A FLAT-BLADE IMPELLER OF A HEAT EXCHANGER Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2019 4 с. Journal article local Kustov Borislav Olegovich Kustova Natal'ya Mihaylovna Bal'chugov Aleksey Valer'evich angtu.editorum.ru