Machines; motors (other than engines for land vehicles); hydraulic controls for machines, motors and engines; pneumatic controls for machines, motors and engines; driving motors other than for land vehicles; compressed air engines; generators of electricity; motors, electric, other than for land vehicles; propulsion mechanisms for vehicles, other than for land vehicles; aeroplane engines; generators of electricity; current generators; alternators; hydraulic engines and motors; couplings and devices for power transmission; motors, other than for land vehicles; motors for boats; aeronautical engines; engines for air cushion vehicles; hydraulic engines and motors; emergency power generators; pumps [machines]; engines for boats; control mechanisms for machines, engines or motors; current generators; propulsion mechanisms other than for land vehicles; turbines other than for land vehicles; vacuum pumps [machines]; alternators