%0 Journal Article %T About perspective constructions hydraulic agricultural machinery %A Fokin, S.. %A Khramchenko, A.. %K forestry machinery, hydraulic system, pilot controlled check valve, throttle-relief valve. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov