00616naa#a2200181#i#450# EN\\bibl\2569 20250130081640.4 2308-8877 20140513b2014####ek#y0engy0150####ca RUS RU Optimization of a mode of movement of the clamshell mechanism by a direct variation method Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 5 с. Journal article local Loveykin V. Lymar P. zh-szf.ru