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Priority claimed from GB848401513Aexternal-prioritypatent/GB8401513D0/en
Application filed by Barry Peter LiversidgefiledCriticalBarry Peter Liversidge
Priority claimed from EP85300352Aexternal-prioritypatent/EP0150113B1/en
Application grantedgrantedCritical
Publication of ATE35351T1publicationCriticalpatent/ATE35351T1/en