Belt conveyors; conveyors being machines; Belts for conveyors; Conveyor belts; Conveyor belts made of wire; belts for conveyors, namely, belts made of synthetic materials; Cogged conveyor belts; Smooth conveyor belts; Drive belts for machines; machine elements not for land vehicles, namely, positive drive conveyor belts; machine couplings and transmissions, except for land vehicles; Belts for machines; Belt pulleys being parts of machines; tracks being parts of conveyors; Conveyor belts of me...