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Priority claimed from GB838307607Aexternal-prioritypatent/GB8307607D0/en
Priority claimed from GB838307672Aexternal-prioritypatent/GB8307672D0/en
Priority claimed from GB838328829Aexternal-prioritypatent/GB8328829D0/en
Application filed by David Phillip MoakesfiledCriticalDavid Phillip Moakes
Priority claimed from EP19830112203external-prioritypatent/EP0111812B1/en
Application grantedgrantedCritical
Publication of ATE33376T1publicationCriticalpatent/ATE33376T1/en