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 Voest AgfiledCriticalVoest Ag
Priority to AT290473ApriorityCriticalpatent/AT323784B/de
Priority to DE19742415418prioritypatent/DE2415418C3/de
Priority to CH441274Aprioritypatent/CH569146A5/xx
Priority to BG2627774Aprioritypatent/BG20826A3/xx
Priority to RO7478272Aprioritypatent/RO65850A/ro
Application grantedgrantedCritical
Publication of AT323784BpublicationCriticalpatent/AT323784B/de
