PARTS OF INTERNAL COMBUSTION ENGINES, NAMELY, CYLINDERS, CYLINDER BARRELS, GUDGEON PINS; VALVE CONTROL PARTS, NAMELY, CAMSHAFTS, CAMSHAFT BUSHING HOUSINGS, VALVE TAPPETS, VALVE LEVERS, VALVE SEAT RINGS, VALVE CONTROLS, VALVES, ROCKER ARMS, ROCKER ARM SHAFTS, DRAG LEVERS; INJECTION PUMPS; SINTERED PARTS, ESPECIALLY FOR THE AUTOMOBILE INDUSTRY, NAMELY FORM PARTS FOR GEAR UNITS, STEERING GEARS AND MOTORS; TURBO SUPERCHARGERS