Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Drahtlose Telegraphie GmbhfiledCriticalDrahtlose Telegraphie Gmbh
Priority to AT52436DpriorityCriticalpatent/AT52436B/de
Application grantedgrantedCritical
Publication of AT52436BpublicationCriticalpatent/AT52436B/de