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
Priority claimed from AT216084Aexternal-prioritypatent/AT382171B/de
Application filed by Fehrer ErnstfiledCriticalFehrer Ernst
Priority to AT300384ApriorityCriticalpatent/AT388180B/de
Publication of ATA300384ApublicationCriticalpatent/ATA300384A/de
Application grantedgrantedCritical
Publication of AT388180BpublicationCriticalpatent/AT388180B/de