Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olivetti & Co SpafiledCriticalOlivetti & Co Spa
Priority to ITTO920799ApriorityCriticalpatent/IT1257406B/it
Publication of ITTO920799A0publicationCriticalpatent/ITTO920799A0/it
Publication of ITTO920799A1publicationCriticalpatent/ITTO920799A1/it
Application grantedgrantedCritical
Publication of IT1257406BpublicationCriticalpatent/IT1257406B/it