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 Erreti Di Avvanzini Ugo & C SfiledCriticalErreti Di Avvanzini Ugo & C S
Priority to IT03601/82ApriorityCriticalpatent/IT1157465B/en
Publication of IT8203601A0publicationCriticalpatent/IT8203601A0/en
Application grantedgrantedCritical
Publication of IT1157465BpublicationCriticalpatent/IT1157465B/en