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Priority claimed from GB848431705Aexternal-prioritypatent/GB8431705D0/en
Application filed by Gen Electric Co PlcfiledCriticalGen Electric Co Plc
Priority claimed from EP85309112Aexternal-prioritypatent/EP0186400B1/de
Application grantedgrantedCritical
Publication of ATE57286T1publicationCriticalpatent/ATE57286T1/de