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Application filed by M Piu Di Marani Giorgio E C SfiledCriticalM Piu Di Marani Giorgio E C S
Priority to IT8812494ApriorityCriticalpatent/IT1225457B/en
Publication of IT8812494A0publicationCriticalpatent/IT8812494A0/en
Application grantedgrantedCritical
Publication of IT1225457BpublicationCriticalpatent/IT1225457B/en
OPERATIONAL TYPE CHAIR OR ARMCHAIR, PARTICULARLY FOR THE OFFICE, WITH VARIABLE BACKREST AND BALANCED BY THE USER'S BODY WEIGHT WEIGHING ON THE SEAT