[ Machine coupling and transmission components not for land vehicles; drive belts for machines and not for land vehicles; machine belts not for land vehicles; V-belts for machines and not for land vehicles; V-ribbed belts for machines and not for land vehicles; synchronous belts for machines and not for land vehicles; lifting belts for machines and not for land vehicles; carrying straps, namely, belts for machines and not for land vehicles; conveyor belts; air springs being parts of machines;...