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Priority claimed from DE2950045Aexternal-prioritypatent/DE2950045C2/de
Application filed by Braas & Co GmbhfiledCriticalBraas & Co Gmbh
Publication of DK442382ApublicationCriticalpatent/DK442382A/da
Publication of DK154354BpublicationCriticalpatent/DK154354B/da
Application grantedgrantedCritical
Publication of DK154354CpublicationCriticalpatent/DK154354C/da