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 Sictra S R LfiledCriticalSictra S R L
Priority to IT21190/86ApriorityCriticalpatent/IT1197789B/en
Publication of IT8621190A1publicationCriticalpatent/IT8621190A1/en
Application grantedgrantedCritical
Publication of IT1197789BpublicationCriticalpatent/IT1197789B/en