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 Fehrer ErnstfiledCriticalFehrer Ernst
Priority to AT291087ApriorityCriticalpatent/AT387794B/de
Publication of ATA291087ApublicationCriticalpatent/ATA291087A/de
Application grantedgrantedCritical
Publication of AT387794BpublicationCriticalpatent/AT387794B/de