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Priority claimed from DE1758913Aexternal-prioritypatent/DE1758913C3/en
Application filed by Bohmter MaschffiledCriticalBohmter Maschf
Priority to DK652472ApriorityCriticalpatent/DK139506C/en
Publication of DK139506BpublicationCriticalpatent/DK139506B/en
Application grantedgrantedCritical
Publication of DK139506CpublicationCriticalpatent/DK139506C/en