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 SE8902204Aexternal-prioritypatent/SE463953B/sv
Application filed by Asea Brown BoverifiledCriticalAsea Brown Boveri
Application grantedgrantedCritical
Publication of ATE99465T1publicationCriticalpatent/ATE99465T1/de