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 AT1175Dexternal-prioritypatent/AT1175B/de
Application filed by Johann Albert SchaufelbergerfiledCriticalJohann Albert Schaufelberger
Application grantedgrantedCritical
Publication of AT1278BpublicationCriticalpatent/AT1278B/de