GB622345A
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Improvements in and relating to motive equipments comprising an engine-driven electric generator and an electric motor or motors
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GB601175A
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Improvements in automatic acceleration control systems for electric traction motors
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GB592635A
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Improvements in electric resistances
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GB592289A
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Improvements in trolleybus electric motor control systems
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GB539246A
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Improvements in and relating to control equipments for electric motors
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GB439438A
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Improvements relating to control arrangements for trolley buses
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GB435405A
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Improvements relating to the control of electric motors in traction systems
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GB429194A
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Improvements relating to the control of electric motors in traction systems
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GB424571A
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Improvements relating to electrically propelled vehicles
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GB402206A
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Improvements in or relating to electric motor control systems
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GB404278A
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Improvements relating to protective apparatus for electrically operated vehicles
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GB401293A
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Improvements relating to the control of electric motors
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GB396174A
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Improvements relating to equipments for the control of direct current electric motors
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GB396170A
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Improvements relating to the rheostatic braking of electric motors
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GB322095A
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Improvements in or relating to electric circuit interrupters
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