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Soc In Accomandita Per Lutilizzazione Delle Invenzioni Ingennieur Beer
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Soc In Accomandita Per Lutilizzazione Delle Invenzioni Ingennieur Beer
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ES34475A1904-08-081904-08-08Perfeccionamientos en el dispositivo electro-magnético para evitar el choque de los trenes en los ferrocarriles.
ExpiredES34475A1
(es)
Mejoras en los medios empleados para hacer funcionar las agujas de los ferrocarriles y tranvías, los mecanismos de señales y demás disposiciones análogas.
Perfeccionamientos introducidos en los aparatos destinados a aumentar la seguridad de la circulación de los trenes sobre las líneas de los ferrocarriles.
Un sistema eléctrico que permite el cambio de señales fónicas entre las locomotoras en marcha y las estaciones, apeaderos, y entre las locomotoras mismas a fin de evitar los choques de los trenes en los caminos de hierro.