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Priority claimed from GB24930/60Aexternal-prioritypatent/GB932623A/en
Priority claimed from GB24192/61Aexternal-prioritypatent/GB957623A/en
Application filed by Atomic Energy Authority UkfiledCriticalAtomic Energy Authority Uk
Application grantedgrantedCritical
Publication of BE606254RpublicationCriticalpatent/BE606254R/fr