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
Priority claimed from IT12468/81Aexternal-prioritypatent/IT1146015B/it
Priority claimed from IT12561/81Aexternal-prioritypatent/IT1150555B/it
Application filed by Connei SpafiledCriticalConnei Spa
Priority claimed from EP82101436Aexternal-prioritypatent/EP0061587B1/de
Application grantedgrantedCritical
Publication of ATE16334T1publicationCriticalpatent/ATE16334T1/de