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Priority claimed from IT48828/84Aexternal-prioritypatent/IT1218872B/it
Application filed by Roberto FerruzzafiledCriticalRoberto Ferruzza
Priority claimed from EP19850830228external-prioritypatent/EP0180552B1/de
Priority claimed from IT48543/85Aexternal-prioritypatent/IT1200108B/it
Application grantedgrantedCritical
Publication of ATE59819T1publicationCriticalpatent/ATE59819T1/de