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 Fritschi ApparatebaufiledCriticalFritschi Apparatebau
Priority to AT3795ApriorityCriticalpatent/AT403125B/de
Publication of ATA3795ApublicationCriticalpatent/ATA3795A/de
Application grantedgrantedCritical
Publication of AT403125BpublicationCriticalpatent/AT403125B/de