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Priority claimed from GB489/74Aexternal-prioritypatent/GB1488871A/en
Application filed by Avon Rubber Co LtdfiledCriticalAvon Rubber Co Ltd
Publication of DK675674ApublicationCriticalpatent/DK675674A/da
Publication of DK152979BpublicationCriticalpatent/DK152979B/da
Application grantedgrantedCritical
Publication of DK152979CpublicationCriticalpatent/DK152979C/da