“INCREASE OF RELIABILITY AND EFFICIENCY OF WORK OF DOUBLE-PISTON SOLUTION OF CONCRETE PUMPS WITH DISH VALVES FOR ACCOUNT OF EXCEPTION OF OPPOSITE CURRENT OF CONCRETE MIXTURE”, znp, vol. 1, no. 40, pp. 8–13, May 2017, Accessed: Dec. 23, 2025. [Online]. Available: https://ojs35.nupp.edu.ua/znp/article/view/213