Case C-757/23 P: Appeal brought on 6 December 2023 by Magnetrol International and Others against the judgment of the General Court (Second Chamber, Extended Composition) delivered 20 September 2023 in Cases T 263/16 RENV, T-265/16, T-311/16, T-319/16, T-321/16, T-343/16, T-350/16, T-444/16, T-800/16 et T-832/16, Magnetrol International and Others v Commission