GB641735A
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Improvements relating to variable speed alternators
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GB622799A
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Improvements relating to fluorescent electric lighting systems
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GB619837A
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Improvements in dynamo electric machines
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GB621525A
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Improvements relating to electric heating systems for vehicles
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GB618557A
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Improvements relating to motor-generator sets
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GB614519A
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Improvements in fluorescent lighting systems
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GB601809A
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Improvements relating to fluorescent electric lighting
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GB599873A
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Improvements in vehicle-carried electric lighting systems
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GB594870A
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Improvements in dynamo electric machines
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GB589939A
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Improvements in fluorescent lighting systems
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GB592042A
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Improvements relating to fluorescent lighting systems
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GB578636A
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Improvements in and relating to direct current electric motors
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GB576226A
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Improvements in and relating to dynamo electric machines
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GB567775A
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Improvements in dynamo electric machines for supplying both direct current and alternating current
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GB561901A
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Improvements in the regulation of universally operable dynamo electric machines
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GB557968A
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Improvements in and relating to dynamo electric machines
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GB604185A
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Improvements in electric rectifier systems used in power or control systems such as for follow-up systems
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GB579411A
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Improvements in dynamo electric machines
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GB515329A
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Improvements relating to rheostatic braking of electric motors
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GB487865A
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Improvements in and relating to electric eddy current brakes
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