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 IT22645/87Aexternal-prioritypatent/IT1223130B/en
Priority claimed from IT20730/88Aexternal-prioritypatent/IT1217717B/en
Application filed by Vortex Systems SrlfiledCriticalVortex Systems Srl
Priority claimed from EP88202479Aexternal-prioritypatent/EP0316990B1/en
Application grantedgrantedCritical
Publication of ATE79821T1publicationCriticalpatent/ATE79821T1/en