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Priority claimed from GB858531338Aexternal-prioritypatent/GB8531338D0/en
Priority claimed from GB858531339Aexternal-prioritypatent/GB8531339D0/en
Priority claimed from GB868625478Aexternal-prioritypatent/GB8625478D0/en
Application filed by Imp Tobacco Co LtdfiledCriticalImp Tobacco Co Ltd
Priority claimed from EP86309840Aexternal-prioritypatent/EP0234115B1/de
Application grantedgrantedCritical
Publication of ATE60491T1publicationCriticalpatent/ATE60491T1/de