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Priority claimed from GB858508274Aexternal-prioritypatent/GB8508274D0/en
Priority claimed from GB858521684Aexternal-prioritypatent/GB8521684D0/en
Application filed by Cenfold Holdings SafiledCriticalCenfold Holdings Sa
Priority claimed from EP86302251Aexternal-prioritypatent/EP0196873B1/en
Application grantedgrantedCritical
Publication of ATE48702T1publicationCriticalpatent/ATE48702T1/en