TY JOUR TI THE LUBRICATION SYSTEM OF THE EXCAVATOR LUBRICATOR WITH SPRING DRIVEN KW walking excavator KW lubrication of mechanical components KW lubricator KW automated system KW spring drive JO Modern Technologies and Scientific and Technological Progress AU Arsent'ev, O.V. AU Nemirich, A.V. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»