IMPROVING RELIABILITY OF DRILL PIPE BY STRENGTHENING OF THREAD CONNECTIONS OF ITS ELEMENTS.

Autor:	Aftanaziv, I. S., Shevchuk, L. I., Strohan, O. I., Kuk, A. M., Samsin, I. L.
Předmět:	DRILL pipe YARN SURFACE preparation CENTRIFUGAL force MANUFACTURING processes ROOT formation STRENGTH of materials
Zdroj:	Scientific Bulletin of National Mining University; 2019, Issue 4, p22-29, 8p
Databáze:	Complementary Index
Externí odkaz:	Zobrazit plný text záznamu