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Priority claimed from CH381983Aexternal-prioritypatent/CH664027A5/de
Priority claimed from CH583583Aexternal-prioritypatent/CH665491A5/de
Application filed by Bbc Brown Boveri & CiefiledCriticalBbc Brown Boveri & Cie
Priority claimed from EP84107507Aexternal-prioritypatent/EP0131216B1/de
Application grantedgrantedCritical
Publication of ATE30479T1publicationCriticalpatent/ATE30479T1/de