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Priority claimed from GB868624480Aexternal-prioritypatent/GB8624480D0/en
Priority claimed from GB878700705Aexternal-prioritypatent/GB8700705D0/en
Priority claimed from GB878721745Aexternal-prioritypatent/GB8721745D0/en
Application filed by Gallaher LtdfiledCriticalGallaher Ltd
Priority claimed from EP87309025Aexternal-prioritypatent/EP0266923B1/de
Application grantedgrantedCritical
Publication of ATE64349T1publicationCriticalpatent/ATE64349T1/de