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Electrical timing system
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Time delay relay
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Electric time delay relay
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Electronic timer
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Relaxation oscillator modulated by another relaxation oscillator
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Improvements in or relating to telegraph repeaters
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Transistor-relay pulse generator
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Solid state a-c contactor with momentary start-stop buttons
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Integrated circuit linear time delay extender for static relays
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(en)
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Improvements in telegraph and like systems
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High efficiency multivibrator
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Wave generating circuits
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Magnetron beam tube circuit
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Condenser welding system
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Asymmetrical trigger circuit
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Pulse generator
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Bistable switching device employing an oscillator rendered conductive upon receipt of signal to be transferred
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Прерыватель указател поворота транспортного средства
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(en)
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Improvements in or relating to electric circuit arrangements for supplying a load with alternating current
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Устройство для регулирования температуры
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Electric timing device
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An improved proximity switch
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Constant frequency battery operated relaxation oscillator
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SU424022A1
(ru)
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Устройство для формирования дугового разряда
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