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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Publication date
Priority claimed from AT116979Dexternal-prioritypatent/AT116979B/en
Application filed by Aeg Union Elek WienfiledCriticalAeg Union Elek Wien
Application grantedgrantedCritical
Publication of AT121361BpublicationCriticalpatent/AT121361B/en