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Mejoras en el objeto de la patente principal num. 161.187 esencialmente caracterizadas por disponer en el grupo motor de resorte del móvil de un dispositivo de freno sensible que inmoviliza el funcionamiento del motor al elevar el vehículo de su pista y de un engranaje corredizo que proporciona un cambio de marcha del vehículo sin detención del motor y disposición apropiada para accionar ejes longitudinales.
ES0164675A1944-02-071944-02-07Mejoras introducidas en el objeto de la patente principal num. 161187
ExpiredES164675A2
(es)