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Priority claimed from GB08206030Aexternal-prioritypatent/GB2115937A/en
Application filed by Standard Telephones Cables LtdfiledCriticalStandard Telephones Cables Ltd
Priority claimed from EP83301113Aexternal-prioritypatent/EP0096950B1/en
Application grantedgrantedCritical
Publication of ATE19693T1publicationCriticalpatent/ATE19693T1/en