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Priority claimed from GB888801221Aexternal-prioritypatent/GB8801221D0/en
Priority claimed from GB888804847Aexternal-prioritypatent/GB8804847D0/en
Application filed by Light Years Ahead LtdfiledCriticalLight Years Ahead Ltd
Priority claimed from EP89300219Aexternal-prioritypatent/EP0325357B1/de
Application grantedgrantedCritical
Publication of ATE102698T1publicationCriticalpatent/ATE102698T1/de