00839naa#a2200193#i#4500001001500000005001700015011001400032100004100046102000700087200012200094210009900216215001100315608002700326675018500353700003100538700002800569700002700597856002100624EN\\bibl\6704720241227030013.5##a1998-8990##a20230706b2023####ek#y0engy0150####ca##aRU1#aENSURING THE SAFETY OF WELDED JOINTS OF OIL AND GAS EQUIPMENT HOUSINGS BY ULTRASONIC SHOCK TREATMENTeJournal article1#aSaint-PetersburgcSaint-Petersburg University of State Fire Service of Emercom of Russiad2023##a10 с.##aJournal article2local##aОпределение твердости вдавливанием шариков, конусов, пирамид, цилиндров, призм (индентеров). 620.178.15#1aAndryushkingAlexander Yu.#1aRustamovagMashkhura U.#1aKadochnikovagElena N.4#ajournals.igps.ru