DCB

ball bearing for use in excavator machines; transmission shafts, springs, pulleys, rack and pinion jacks, gears, axles, crank shafts, wheels, transmission chains, valves, drilling heads all being parts of machines; bearings for transmission shafts being parts of machines; machine wheel work, namely, excavator machines; propulsion mechanisms for use with machines and not land vehicles, namely, motors for bulldozers and excavators; transmissions and motors for machines except for land vehicles