TY JOUR TI Improvement of horizontal borer control system KW machine-tool KW updating KW control system structure KW NC device JO Science intensive technologies in mechanical engineering AU Petreshin, D.I. AU Khandozhko, V.A. AU Dubov, A.V. AU Dobrovolsky, G.I. PY 2020 IS 2020 PB Bryansk State Technical University