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Application filed by Г. И. Нечаев занский радиотехнический институтfiledCriticalГ. И. Нечаев занский радиотехнический институт
Priority to SU1654357ApriorityCriticalpatent/SU429504A1/ru
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Perfeccionamientos introducidos en dispositivos para alter-nar dos terminales de salida al ocurrir un cambio enel sen- tido de una corriente aplicada a un terminal de entrada.