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Priority claimed from GB888803099Aexternal-prioritypatent/GB8803099D0/en
Application filed by Wellep Int UkfiledCriticalWellep Int Uk
Priority claimed from EP89301230Aexternal-prioritypatent/EP0328376B1/de
Application grantedgrantedCritical
Publication of ATE68163T1publicationCriticalpatent/ATE68163T1/de