TY JOUR TI Energy saving mechanism of turn of a column of the manipulator sortimentovoza KW hydraulic crane KW slewing gear KW energy saving damper JO Actual directions of scientific researches of the XXI century: theory and practice AU Popikov, V.P. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov