00651naa#a2200181#i#450# EN\\bibl\34105 20240503174254.5 2686-777X 20191211b2019####ek#y0engy0150####ca RU IMPROVING THE EFFICIENCY OF THE TAR DEASPHALTING PLANT WITH PROPANE Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2019 4 с. Journal article local Zamkovoy Nikolay Petrovich Podoplelov Evgeniy Viktorovich Dement'ev Anatoliy Ivanovich angtu.editorum.ru