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Mejoras introducidas en los contactores para control de alternomotores, caracterizadas porque el circuito de corriente principal a interrumpir presenta como mínimo cuatro puntos de ruptura operados de forma prácticamente simultáneos por medio de un electroimán único que acciona mecánicamente los órganos móviles ejecutores de las rupturas.
ES0248424A1959-03-201959-03-20Mejoras introducidas en los contactores para control de alternomotores
ExpiredES248424A3
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