Telefunken Gesellschaft Fur Dahtlose Telegraphie M.B.H.
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Application filed by Telefunken Gesellschaft Fur Dahtlose Telegraphie M.B.H.filedCriticalTelefunken Gesellschaft Fur Dahtlose Telegraphie M.B.H.
Priority to GR380107989ApriorityCriticalpatent/GR7989B/el
Publication of GR7989BpublicationCriticalpatent/GR7989B/el