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 Siegfried PerauerfiledCriticalSiegfried Perauer
Priority to AT304265ApriorityCriticalpatent/AT264182B/de
Priority to CH484266Aprioritypatent/CH450790A/de
Application grantedgrantedCritical
Publication of AT264182BpublicationCriticalpatent/AT264182B/de