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Priority claimed from GB848402948Aexternal-prioritypatent/GB8402948D0/en
Priority claimed from GB858501291Aexternal-prioritypatent/GB8501291D0/en
Application filed by Matthews Bernard PlcfiledCriticalMatthews Bernard Plc
Priority claimed from EP85300437Aexternal-prioritypatent/EP0153024B1/de
Application grantedgrantedCritical
Publication of ATE27221T1publicationCriticalpatent/ATE27221T1/de