Shaft couplings for machines; filters for cleaning cooling air, for engines; valves being parts of machines; connecting rods for machines, motors and engines; engine injectors; machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; cylinder heads for engines; starters for motors and engines; bearings, as parts of machines; driving motors, other than for land vehicles; jet engines, other than for land vehicles; pistons for engines; speed governors for m...