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.)
Filing date
Publication date
Application filed by Vogt AntonfiledCriticalVogt Anton
Publication of ATA891078ApublicationCriticalpatent/ATA891078A/de
Application grantedgrantedCritical
Publication of AT367311BpublicationCriticalpatent/AT367311B/de