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Publication date
Priority claimed from GB27970/73Aexternal-prioritypatent/GB1479711A/en
Priority claimed from FI1791/74Aexternal-prioritypatent/FI179174A7/fi
Application filed by Beecham Group LtdfiledCriticalBeecham Group Ltd
Publication of FI773447A7publicationCriticalpatent/FI773447A7/fi