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 Waagner Biro AgfiledCriticalWaagner Biro Ag
Priority to AT12996ApriorityCriticalpatent/AT404819B/de
Publication of ATA12996ApublicationCriticalpatent/ATA12996A/de
Application grantedgrantedCritical
Publication of AT404819BpublicationCriticalpatent/AT404819B/de