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Priority claimed from IT06195589Uexternal-prioritypatent/IT89061955U1/en
Priority claimed from IT84115Aexternal-prioritypatent/IT1239241B/en
Priority claimed from IT6192690Uexternal-prioritypatent/IT221179Z2/en
Application filed by Mainetti SpafiledCriticalMainetti Spa
Priority claimed from EP19900915124external-prioritypatent/EP0497795B1/en
Application grantedgrantedCritical
Publication of ATE100234T1publicationCriticalpatent/ATE100234T1/en