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Priority claimed from IT67464/88Aexternal-prioritypatent/IT1219758B/en
Priority claimed from IT8967097Aexternal-prioritypatent/IT1232591B/en
Application filed by Bruno GiamellofiledCriticalBruno Giamello
Priority claimed from EP89201218Aexternal-prioritypatent/EP0342751B1/en
Application grantedgrantedCritical
Publication of ATE87710T1publicationCriticalpatent/ATE87710T1/en