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 DE19782831169external-prioritypatent/DE2831169A1/en
Priority claimed from DE19787824553external-prioritypatent/DE7824553U1/en
Application filed by Arens ErichfiledCriticalArens Erich
Publication of ATA407179ApublicationCriticalpatent/ATA407179A/en
Application grantedgrantedCritical
Publication of AT372140BpublicationCriticalpatent/AT372140B/en