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 Nicoloso UmbertofiledCriticalNicoloso Umberto
Priority to AT539475ApriorityCriticalpatent/AT339698B/de
Publication of ATA539475ApublicationCriticalpatent/ATA539475A/de
Application grantedgrantedCritical
Publication of AT339698BpublicationCriticalpatent/AT339698B/de