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Priority claimed from IT8919988Aexternal-prioritypatent/IT1228797B/it
Priority claimed from IT8921214Aexternal-prioritypatent/IT1231286B/it
Application filed by Brazzoli SpafiledCriticalBrazzoli Spa
Priority claimed from EP89202338Aexternal-prioritypatent/EP0393258B1/de
Application grantedgrantedCritical
Publication of ATE101212T1publicationCriticalpatent/ATE101212T1/de