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Riera Pons Mateo
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Riera Pons Mateo
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Application filed by Riera Pons MateofiledCriticalRiera Pons Mateo
Priority to ES972ApriorityCriticalpatent/ES972A1/en
Publication of ES972A1publicationCriticalpatent/ES972A1/en
A procedure to convert a wide track of trams into a narrow double track, taking advantage of that one and leaving it capable of providing the service to which it was previously affected.