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Application filed by Civilingenioer Olav Ebbesen Gr, Radio Apparat Co As, Ebbesen H, I C JensenfiledCriticalCivilingenioer Olav Ebbesen Gr
Priority to DK181443ApriorityCriticalpatent/DK63807C/da
Application grantedgrantedCritical
Publication of DK63807CpublicationCriticalpatent/DK63807C/da