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Dynamoelectric machine
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Contact system of circuit-breaker
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Electric machine
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Method of protecting cable lines against arcing short-circuits and burning
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Vacuum arc chute
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Vacuum circuit breaker
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Device for short-circuit protection of electric network
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Device for protecting three-phase electric installation against open phase
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Current-limiting selective switch
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Vacuum switch
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Method and apparatus for protecting electric distribution boards against arc short circuit
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Material plastic deformation resistance method
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Device for two-phase operation protection of three-phase electric installation
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Method of synchronous cutout of alternating current
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Arcless curren-limiting selective switch
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Current-limiting selective switch
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Device for short-circuiting current protection of electric equipment
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Device for protecting electric equipment from earth fault in ac network
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