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UNVERRICHT EDUARD
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UNVERRICHT EDUARD
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Priority to ES47190ApriorityCriticalpatent/ES47190A1/es
Publication of ES47190A1publicationCriticalpatent/ES47190A1/es
ES47190A1910-01-211910-01-21Un dispositivo automático de protección y seguridad para vía única con trenes circulantes en los dos sentidos.
ExpiredES47190A1
(es)
Un método, con los medios correspondientes, para detener los trenes en caso de peligro y para precaver cualquier descuido de los maquinistas o de los encargados de señales.