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 SE8205898Aexternal-prioritypatent/SE437726B/sv
Priority claimed from SE8303419Aexternal-prioritypatent/SE8303419L/xx
Application filed by Asea AbfiledCriticalAsea Ab
Priority claimed from EP83710070Aexternal-prioritypatent/EP0106792B1/de
Application grantedgrantedCritical
Publication of ATE34833T1publicationCriticalpatent/ATE34833T1/de