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Priority claimed from GB838315589Aexternal-prioritypatent/GB8315589D0/en
Priority claimed from GB838330142Aexternal-prioritypatent/GB8330142D0/en
Application filed by Racal Safety LtdfiledCriticalRacal Safety Ltd
Priority claimed from EP84303822Aexternal-prioritypatent/EP0130707B1/en
Application grantedgrantedCritical
Publication of ATE34081T1publicationCriticalpatent/ATE34081T1/en