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Priority to IT2069185UpriorityCriticalpatent/IT8520691V0/en
Publication of IT8520691V0publicationCriticalpatent/IT8520691V0/en
STRUCTURE ADJUSTABLE IN LENGTH THROUGH AN INTERNAL HYDRAULIC DEVICE, AND CLOSED CIRCUIT, PARTICULARLY SUITABLE AS A UPRIGHT STRUCTURE FOR SUPPORTING THE SEAT PLAN OF AN ARMCHAIR