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Priority claimed from GB838320407Aexternal-prioritypatent/GB8320407D0/en
Priority claimed from GB838327461Aexternal-prioritypatent/GB8327461D0/en
Priority claimed from GB838328689Aexternal-prioritypatent/GB8328689D0/en
Application filed by Robert John SeymourfiledCriticalRobert John Seymour
Priority claimed from EP84304902Aexternal-prioritypatent/EP0132993B1/de
Application grantedgrantedCritical
Publication of ATE37796T1publicationCriticalpatent/ATE37796T1/de