HU1700225A2
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Earth leakage protection procedure and equipment
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WO2010119302A1
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Magnetic connector and a data communication system using the magnetic connector
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HU0900619D0
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Protecting method and device for three-phase electric power networks
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HU0900620D0
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Method for minimising voltage of neutral point in three-phase electric power networks
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HU0900233D0
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Circuit arrangement to decrease self-time of devices, which provide short-protection for electrical equipments and networks
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Input interface circuit and method of detecting and transforming input signals
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Electronic circuit for interrupting coil current of a circuit breaker
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HU9800362D0
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Electronic controller and/or protector equipment
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Connection arrangement for phase-selective sensing n-phase electric signal
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