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Power directional relay for connecting reserve supply of consumers with motor loads
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Vibration and shock-proof switch apparatus
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Loading arrangement
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Rectifier electric drive
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Inverter
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Electromagnetic switching device
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Rectifier electric drive
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Digital proportional-integral-differential regulator
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Internal storage with self-check
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Device for controlling electric drive
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Two-zone thyratron motor
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Time relay with return time lag
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Zero-phase-sequence power direction relay
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D.c.electric drive
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Device for checking primary storage
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Selector switch
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Field structure for electric machine
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Reversible thyratron motor control device
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Device for controlling dimensions of electroconducting objects
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Hermetically sealed reed relay
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