GB369740A
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Improvements in or relating to electric circuit breakers or like circuit rupturing apparatus
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GB363212A
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Improvements relating to electric generator brushes
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GB364278A
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Improvements in magneto generators
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GB366189A
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Improvements in or relating to moving-coil galvanometers suitable for electrical speed indicators
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GB323109A
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Improved means for retarding the action of electrical apparatus
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GB296749A
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Improvements in electrical measuring instruments
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GB256032A
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Improvements in electrical measuring instruments
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GB208939A
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Improvements in electrical measuring instruments
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GB186454A
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Improvements in electrical measuring instruments
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GB185569A
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Improvements in instruments for the measurement of electrical resistances
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