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Priority to ES12624ApriorityCriticalpatent/ES12624A1/es
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ES12624A1891-10-201891-10-20Mejoras introducidas en los aparatos para enganchar y acoplar los vagones de los ferrocarriles automáticamente.
ExpiredES12624A1
(es)
Un aparato " Electro-avisador de alarma", con luz eléctrica para ser aplicado a todos los departamentos de los vagones de ferrocarril y funcionar tren en marcha o parado.