00568naa#a2200181#i#450# EN\\bibl\12719 20241202043445.1 2223-4608 20160830b2016####ek#y0engy0150####ca RUS RU Ultrasonic techniques at current stage of mechanical engineering development Journal article Bryansk Bryansk State Technical University 2016 5 с. Journal article local Prikhodko Vyachyeslav Mihailovich Fatyukhin Dmitriy Sergeevich bstu.editorum.ru