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Grases Y S A Cia
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Grases Y S A Cia
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Priority to ES184857ApriorityCriticalpatent/ES184857A1/es
Publication of ES184857A1publicationCriticalpatent/ES184857A1/es
Sistema de unión de carriles aplicable a las vías ferroviarias, evitando la trepidación y golpes de material, y permite la dilatación o extensión de los mismos