Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Roy A Du
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Roy A Du
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Application filed by Roy A DufiledCriticalRoy A Du
Priority to ES12307ApriorityCriticalpatent/ES12307A1/es
Publication of ES12307A1publicationCriticalpatent/ES12307A1/es
ES12307A1891-06-141891-06-14Un aparato "Mecanismo para levantar los discos guías aplicable a los vehículos que ruedan sobre carriles con ranura".
ExpiredES12307A1
(es)
Un procedimiento para transportar la fuerza motriz que sirve para la tracción de los vagones o de los diversos carruajes que caminan o corren sobre vías férreas.
Un procedimiento para transportar la fuerza motriz que sirve para la tracción de los vagones o de los diversos carruajes que corren sobre vías férreas.