00504naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200010200094210003700196215001000233608002700243700002500270700002400295856001500319EN\\bibl\3032720240512172719.7##a1609-3178##a20190827b2019####ek#y0engy0150####ca##aRU1#aEddy Current Inspection of a Cone-Type Tool-Joint Thread of Drill Column DetailseJournal article1#aSaint-PetersburgcLLC SVENd2019##a4 с.##aJournal article2local#1aKoroteevgMihail Yu.#1aChertovgDmitriy N.4#anaukaru.ru