00496naa#a2200157#i#450# EN\\bibl\30334 20240425164212.4 1609-3178 20190827b2019####ek#y0engy0150####ca RU Condition Monitoring of Objects of the Mineral and Oil and Gas Complexes Using Magnetic Flux Leakage Method Journal article Saint-Petersburg LLC SVEN 2019 5 с. Journal article local Vasil'ev Aleksey Yu. naukaru.ru