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Priority claimed from AT0171179Aexternal-prioritypatent/AT381864B/de
Application filed by Dunlop LtdfiledCriticalDunlop Ltd
Priority to AT208781ApriorityCriticalpatent/AT390759B/de
Publication of ATA208781ApublicationCriticalpatent/ATA208781A/de
Application grantedgrantedCritical
Publication of AT390759BpublicationCriticalpatent/AT390759B/de