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 IttfiledCriticalItt
Priority to IT27117/79ApriorityCriticalpatent/IT1220949B/it
Publication of IT7927117A0publicationCriticalpatent/IT7927117A0/it
Application grantedgrantedCritical
Publication of IT1220949BpublicationCriticalpatent/IT1220949B/it