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Priority claimed from GB24211/78Aexternal-prioritypatent/GB1603674A/en
Application filed by Bekaert Sa NvfiledCriticalBekaert Sa Nv
Publication of IT7851303A0publicationCriticalpatent/IT7851303A0/it
Application grantedgrantedCritical
Publication of IT1106163BpublicationCriticalpatent/IT1106163B/it