TY JOUR TI Restore functionality parts foreign agricultural machinery KW imported Agricultural Machinery KW technical service KW defect KW wear and tear KW the recovery efficiency KW gas-dynamic spraying JO Actual directions of scientific researches of the XXI century: theory and practice AU Slobodyuk, A.. AU Strebkov, S.V. AU Bondarev, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov