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CS504688A1
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Electronic relay
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CS748787A1
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Three-stage staircase automaton
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CS673087A1
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Electronic relay
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CS644987A1
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Circuit of time relay
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CS258093B1
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Three-condition staircase automaton
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CS256799B1
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Three-state staircase automaton
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CS380686A1
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Three-position staircase automaton
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CS249715B1
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Automatic y-delta change-ocer switch connection
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CS249714B1
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Electrical appliances' control circuit connection
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CS247238B1
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Three-phase asynchronous motors' breaking circuit connection
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CS250293B1
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Three-stage staircase automaton connection
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CS244899B1
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Circuit connection for impulses blocking of thyristor serial chain
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CS295184A1
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High-tension thyristor transducer's electrical insulation link between control and power circuits
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CS236684A1
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Electrotechnic components state evaluation circuit connection
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CS236384A1
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Connection of a dc supply energized by alternating voltage change in semiconductor element
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CS236484A1
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Connection of diagnosis circuit of power semoconductor element
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CS236584A1
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Connection of a circuit for optical control pulses processing of power semiconductors elements
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CS214684A1
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Electric insulation connection between transmitter and receiver electrically disconnectable on both ends
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CS220158B1
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Power semiconductor element failure indication circuitry
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CS220157B1
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Circuitry of dc sources fed by voltage on semiconductor element
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