KULIKOV, O.; RATUSHNYI, O.; IVCHENKO, O.; ANDRUSIAK, V.; HERASYMENKO, V. COMPARISON OF CHARACTERISTICS OF THE COUNTER-ROTOR STAGE WITH AVAILABLE CNA-180 LINE PUMPS. Bulletin of Sumy National Agrarian University. The series: Mechanization and Automation of Production Processes, n. 3 (57), p. 10-17, 21 Nov. 2024.