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CLEMINSON JAMES
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CLEMINSON JAMES
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Application filed by CLEMINSON JAMESfiledCriticalCLEMINSON JAMES
Priority to ES1877005709ApriorityCriticalpatent/ES5709H3/es
Publication of ES5709H3publicationCriticalpatent/ES5709H3/es
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.