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 Gerhard Dr RichterfiledCriticalGerhard Dr Richter
Priority to AT190863ApriorityCriticalpatent/AT237192B/en
Application grantedgrantedCritical
Publication of AT237192BpublicationCriticalpatent/AT237192B/en