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Un sistema de control automático para fuentes, caracterizado por establecerse en la tubería de salida una válvula electromagnética cuya bobina es alimentada a través de una relé auxiliar sobre el que manda el amplificador de una célula fotoeléctrica.
ES0235587A1957-05-211957-05-21Un sistema de control automatico para fuentes
ExpiredES235587A1
(es)