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Priority claimed from IT85546/84Aexternal-prioritypatent/IT1181530B/it
Priority claimed from IT85511/85Aexternal-prioritypatent/IT1187499B/it
Application filed by Fbp SrlfiledCriticalFbp Srl
Priority claimed from EP19850200335external-prioritypatent/EP0168846B1/de
Application grantedgrantedCritical
Publication of ATE43141T1publicationCriticalpatent/ATE43141T1/de