GEAR POWER TRANSMISSIONS FOR MACHINES; GEAR REDUCERS, OTHER THAN FOR LAND VEHICLES, NAMELY, GEAR CUTTERS; ELECTRIC MOTORS, OTHER THAN FOR LAND VEHICLES, NAMELY, PLANETARY GEAR MOTORS, STARTER MOTORS, AIRPLANE MOTORS, GEAR MOTORS, OTHER THAN FOR LAND VEHICLES, NAMELY, PLANETARY GEAR MOTORS, STARTER MOTORS, AIRPLANE MOTORS; INTEGRATED MOTOR-INVERTERS, OTHER THAN FOR LAND VEHICLES, NAMELY, DIRECT CURRENT MOTORS, ELEVATOR MOTORS