US2172298A
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Electrical transmission gear, in particular for traction machines
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GB507747A
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Improvements in systems for the combined electrical and mechanical transmission of mechanical power
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GB491316A
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Improvements in and relating to methods of and means for cooling electric machines
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DE683488C
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Electric differential drive for all types of vehicles with internal combustion engines
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US2131527A
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Vehicle transmission control
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IE14225L
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Automatic speed control of motor vehicles
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IE14135L
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Electrical transmission means for traction
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GB454395A
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Improvements in electrical transmission particularly for traction machines
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GB458088A
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Improvements in motor vehicle transmission controls
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US2121889A
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Automatic friction brake
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GB440883A
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Automatic friction multi-disc or lamellae brake for electric motors
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GB435136A
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Electrical transmission, particularly for traction machines
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US2018287A
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Variable speed three-phase motor with variable torque
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US1951566A
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Universal induction regulator
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GB400714A
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Improvements in and relating to universal induction regulators
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GB405652A
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Improvements in and relating to three-phase variable speed commutator motors with variable torque
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US1770345A
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Motor-control system
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GB323890A
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Improvements in and relating to electric drive arrangements for motor vehicles
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US1840473A
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Alternating current commutator motor
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GB292942A
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Improvements in and relating to single and multiphase commutator motors
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