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Priority claimed from IT83493/81Aexternal-prioritypatent/IT1147185B/it
Priority claimed from IT83456/82Aexternal-prioritypatent/IT1158303B/it
Application filed by Savio SpafiledCriticalSavio Spa
Priority claimed from EP82830256Aexternal-prioritypatent/EP0078776B1/de
Application grantedgrantedCritical
Publication of ATE19041T1publicationCriticalpatent/ATE19041T1/de