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Priority to DK54974ApriorityCriticalpatent/DK136503B/da
Priority to DE19752504016prioritypatent/DE2504016A1/de
Publication of DK54974ApublicationCriticalpatent/DK54974A/da
Publication of DK136503BpublicationCriticalpatent/DK136503B/da
Application grantedgrantedCritical
Publication of DK136503CpublicationCriticalpatent/DK136503C/da