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Priority claimed from GB838313606Aexternal-prioritypatent/GB8313606D0/en
Application filed by Walker & Co JamesfiledCriticalWalker & Co James
Priority claimed from EP84303180Aexternal-prioritypatent/EP0125896B1/en
Application grantedgrantedCritical
Publication of ATE38885T1publicationCriticalpatent/ATE38885T1/en