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Priority claimed from IT8702935Aexternal-prioritypatent/IT1213630B/it
Priority claimed from IT02925/88Aexternal-prioritypatent/IT1220259B/it
Application filed by Zani SrlfiledCriticalZani Srl
Priority claimed from EP19880115322external-prioritypatent/EP0308849B1/de
Application grantedgrantedCritical
Publication of ATE82912T1publicationCriticalpatent/ATE82912T1/de