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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Priority claimed from AT33313Dexternal-prioritypatent/AT33313B/de
Application filed by Ladislav VojacekfiledCriticalLadislav Vojacek
Application grantedgrantedCritical
Publication of AT36977BpublicationCriticalpatent/AT36977B/de