00603naa#a2200205#i#450# EN\\bibl\10685 20260102130012.5 2223-4608 20160228b2016####ek#y0engy0150####ca RUS RU New ultrasonic technology of performance restoration of burner devices of gas pumping units Journal article Bryansk Bryansk State Technical University 2016 4 с. Journal article local Petrovskiy A. Avramov M. Bekrenev N. Sarsengaliev A. zh-szf.ru