Belts for conveyors; Carrying belts, being machine elements; [ Elevator belts; Belts for construction machines and apparatus; Belts for loading and unloading machines and apparatus; ] Belts for machines; Power transmission belts being machine elements; not for land vehicles; Power transmissions and gearing for machines not for land vehicles; [ Belts for mail sorting machines and implements and their parts and accessories; Belts for postmarking machines and implements and their parts and acces...