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Priority to ES246ApriorityCriticalpatent/ES246A1/es
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ES246A1879-02-081879-02-08Perfeccionamientos en los aparatos para accionar los frenos en los trenes de ferrocarril por presión fluida.
ExpiredES246A1
(es)
Mejoras en un nuevo procedimiento para enlazar o empalmar los tubos que se emplean para establecer la comunicación fluida en los trenes de ferrocarril.
Sistema perfeccionado y aparato para regularizar y aumentar la eficacia de los frenos para trenes de ferrocarril y para comprobar e indicar la velocidad de las ruedas de locomotora.