Coulisse mechanism with rotating link for operating part drive unit of the mortar pumpBakhtiyar Alimov, Rakhmat Sindarov, Panzhi Egamshukurov, Fotima Dzhumabayeva and Shoira SaidovaE3S Web Conf., 264 (2021) 05050DOI: https://doi.org/10.1051/e3sconf/202126405050