High-temperature multilevel sterilization of canned goods with heat recovery and its constructive and technological supportMafiiat Rakhmanova, Amiiat Demirova, Magomed Akhmedov, Faina Azimova, Irada Gadzhibekova and Zaurbek AbdulkhalikovE3S Web Conf., 247 (2021) 01030DOI: https://doi.org/10.1051/e3sconf/202124701030