Driving machines, except for land vehicles, namely, turbines and electric generators, and engines therefor; mechanical components for valve control of internal combustion piston engines, namely, valves being engine parts for introducing fuel-air mixtures into the combustion chambers of internal combustion engines; machine parts, namely, thread guide rollers in the nature of roller conveyors, guide rails and shafts in the nature of mechanical railed lifting conveyors with raceways and for roll...

Printing Plates