Research on An Improved and Set Spiked Cylinder 6A-12M1Timur Tuychiev, Hayotbek Turdiyev, Rakhmatjon Ruzmetov, Mahfuza Gapparova and Khayrullo SharipovBIO Web Conf., 139 (2024) 03002DOI: https://doi.org/10.1051/bioconf/202413903002