TY JOUR TI CLASSIFICATION OF STRENGTHENING TECHNOLOGIES, COVERING AND RESTORATION OF FUEL EQUIPMENT DETAILS OF DIESEL ENGINES KW restoration KW covering KW finish plasma hardening KW wear KW roughness KW hardness KW wear resistance KW resource JO Vestnik of Kazan State Agrarian University AU Sharifullin, S.N. AU Adigamov, N.. AU Topolyanskiy, P.A. AU Bayniyazova, A.T. PY 2019 IS 14 PB Kazan state agrarian University