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RU2056691C1
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Electrical installation protective device (options)
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Dc-to-dc voltage changer
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Multiple-function logical device
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Polyphase ac/dc voltage changer
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Alternating-to-alternating voltage converter (regulator of alternating voltage (current))
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Dc-to-ac voltage converter
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Storage battery charger
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Three-phase ac-to-dc voltage converter
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Multiphase as-to-dc voltage converter
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Storage battery charger
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Storage battery charger
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Method and device for controlling parallel-running controlled valves
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RU2098914C1
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Multiphase dc current (voltage) changer (regulator)
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