TY JOUR TI To a question of design of devices for cleaning of sieves of forest seed cleaning cars(machines) KW seed-clening machine KW clening KW meshe KW sieve KW device JO Actual directions of scientific researches of the XXI century: theory and practice AU Tkachev, V.. AU Knyazev, A.V. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov