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SU17469A1
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Disconnector to disconnect broken wire
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Improvements in or relating to electrical switches
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Circuit breaker
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Improvements relating to circuit breakers
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Homopolar dynamo
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Electric fuse
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Improvements relating to electrical contacts
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Improvements relating to electric switches
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Improvements to electrical switches
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Improvements to electrical switches
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Improvements relating to electrical switches
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Improvements to electrical conductors
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Improvements relating to electric time-delay devices
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Improvements to electrical switches and disconnectors
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Improvements relating to electric switchgear
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Improvements relating to electrical switchgear
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advanced lump breaker
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Improvements relating to electric switchgear
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Improvements relating to electric circuit interrupters
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Improvements relating to electric circuit breakers
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Improvements relating to electric switchgear
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Improvements relating to electric switchgear
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Improvements relating to electric switchgear
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Advanced insulators
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