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Priority claimed from GB08416927Aexternal-prioritypatent/GB2161164B/en
Priority claimed from GB848424818Aexternal-prioritypatent/GB8424818D0/en
Application filed by Coates Brothers PlcfiledCriticalCoates Brothers Plc
Priority claimed from EP85304554Aexternal-prioritypatent/EP0170399B1/en
Application grantedgrantedCritical
Publication of ATE48622T1publicationCriticalpatent/ATE48622T1/en