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 August Dipl Ing Dr Mont SovinzfiledCriticalAugust Dipl Ing Dr Mont Sovinz
Application grantedgrantedCritical
Publication of AT167899BpublicationCriticalpatent/AT167899B/de