00604naa#a2200205#i#450# EN\\bibl\10685 20241221180734.6 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. naukaru.ru