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Eduard Evgenʹevich Parfenov

  • Asinkhronno-ventilʹnye kaskady dli͡a dvukhzonnogo regulirovanii͡a skorosti asinkhronnykh ėlektrodvigateleĭAsinkhronno-ventilʹnye kaskady dli͡a dvukhzonnogo regulirovanii͡a skorosti asinkhronnykh ėlektrodvigateleĭ