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Priority claimed from GB858531491Aexternal-prioritypatent/GB8531491D0/en
Application filed by Racal Guardall ScotlandfiledCriticalRacal Guardall Scotland
Priority claimed from EP86305499Aexternal-prioritypatent/EP0209385B1/de
Application grantedgrantedCritical
Publication of ATE57584T1publicationCriticalpatent/ATE57584T1/de