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GB1027071A
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A circuit arrangement for protecting a transistor from excessive current
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GB987192A
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An arrangement for connecting and disconnecting a load circuit
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GB1003333A
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A phase responsive or phase sensitive circuit
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US3168691A
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Transistorized servo amplifier
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GB941107A
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Combined distribution valve and pump
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GB958711A
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Device for changing the spring force acting on a rotatable system in a gauge or the like
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GB939052A
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Temperature control system
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GB940006A
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Improvements in temperature regulating apparatus
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US3159760A
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Induction motor with magnetic control
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GB935265A
|
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A rotary alternating-current motor
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GB908435A
|
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Improvements in and relating to apparatus for controlling the supply of liquid fuel to containers
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GB867954A
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Improvements in transistor circuit arrangements
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GB877012A
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Electronic temperature control circuit
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ES234006A1
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A regulatory device (Machine-translation by Google Translate, not legally binding)
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GB809203A
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Improvements in or relating to automatic control systems for central heating plants
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CA756228A
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Final stage of a servo amplifier
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CA694087A
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Device for changing the spring force acting on a rotatable system in a gauge or the like
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