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GB1120202A
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Rectifier assemblies
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GB898720A
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Improvements in or relating to electrical switches and circuit breakers
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GB893415A
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Improvements in or relating to handle operating mechanism for switchgear
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GB895232A
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Semiconductor diodes
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GB895231A
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A cooling fin or plate for a diode comprising a semiconductor junction
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GB828751A
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Means for mounting vapour arc lamps within light transmitting envelopes
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GB812878A
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Improvements in or relating to electric current transfer contact assemblies
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GB845671A
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Improvements relating to alternating current frequency converters
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GB822054A
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Improvements in or relating to spacing devices
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GB851707A
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An electrical control device utilising current comparison
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GB797843A
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Improvements in or relating to glass bulb mercury arc rectifiers
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|
GB787433A
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A cubicle for mercury arc rectifier apparatus
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GB777383A
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Improvements in or relating to grid-controlled mercury arc rectifiers
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GB739586A
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A motor driven device for operating a phase shifter
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GB730743A
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Improvements in or relating to mercury arc rectifier apparatus
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GB728777A
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Apparatus for supplying the d.c. windings of a synchronous motor
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GB712267A
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Improvements in or relating to overcompounded mercury arc rectifiers
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GB694594A
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Improvements in or relating to rectifier systems for supplying variable speed d.c. motors and the like
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GB706980A
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Improvements in or relating to grid-controlled electrical power rectifying apparatus
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GB679422A
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Improvements in or relating to overload tripping or warning devices for electrical converting apparatus
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