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 DE2314715Aexternal-prioritypatent/DE2314715C3/en
Priority claimed from AT754973Aexternal-prioritypatent/AT323360B/en
Application filed by Delog Detag Flachglas AgfiledCriticalDelog Detag Flachglas Ag
Publication of ATA440074ApublicationCriticalpatent/ATA440074A/en
Application grantedgrantedCritical
Publication of AT342804BpublicationCriticalpatent/AT342804B/en