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Priority claimed from GB20196/75Aexternal-prioritypatent/GB1554553A/en
Priority claimed from IN838/CAL/76Aexternal-prioritypatent/IN145024B/en
Application filed by Smith & Nephew ResfiledCriticalSmith & Nephew Res
Priority to IN988/CAL/77ApriorityCriticalpatent/IN146117B/en
Publication of IN146117BpublicationCriticalpatent/IN146117B/en