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 DE2856187Aexternal-prioritypatent/DE2856187C2/de
Application filed by Bbc Aktiengesellschaft Brown, Boveri & Cie.filedCriticalBbc Aktiengesellschaft Brown, Boveri & Cie.
Application grantedgrantedCritical
Publication of ATE1534T1publicationCriticalpatent/ATE1534T1/de