Мірненко ВІ, Ткач МЯ, Пилипів ЛД. PERFORMANCE IMPROVEMENT OF THE DRILLING STRING THREADED TOOL JOINTS BY THE IMPULSIVE VACUUM GAS-THERMO-CYCLIC PLASMA NITRIDE HARDENING. ogpe [Internet]. 2017 Nov. 14 [cited 2024 Nov. 21];(2(28):13-21. Available from: https://nge.nung.edu.ua/index.php/nge/article/view/435