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 DE1962760Aexternal-prioritypatent/DE1962760C3/de
Priority claimed from DE19702028683external-prioritypatent/DE2028683A1/de
Priority claimed from NO04483/70Aexternal-prioritypatent/NO130098B/no
Application filed by Vaw Ver Aluminium Werke AgfiledCriticalVaw Ver Aluminium Werke Ag
Priority to NO486573ApriorityCriticalpatent/NO133022C/no
Publication of NO133022BpublicationCriticalpatent/NO133022B/no
Publication of NO133022CpublicationCriticalpatent/NO133022C/no