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 Friedmann & Maier AgfiledCriticalFriedmann & Maier Ag
Priority to AT84886ApriorityCriticalpatent/AT407429B/en
Publication of ATA84886ApublicationCriticalpatent/ATA84886A/en
Application grantedgrantedCritical
Publication of AT407429BpublicationCriticalpatent/AT407429B/en