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Priority claimed from DE2413877Aexternal-prioritypatent/DE2413877C3/en
Application filed by Hegler WilhelmfiledCriticalHegler Wilhelm
Publication of DK183076ApublicationCriticalpatent/DK183076A/en
Publication of DK142937BpublicationCriticalpatent/DK142937B/en
Application grantedgrantedCritical
Publication of DK142937CpublicationCriticalpatent/DK142937C/en