Pull-Up Spring of Cotton Harvesting Apparatus: A Review of Design Considerations and AdvancementsAnvar Abdazimova, Bakhtiyor Azimov, Ulugbek Saitov and Muborak AtajanovaE3S Web Conf., 449 (2023) 09012DOI: https://doi.org/10.1051/e3sconf/202344909012