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Priority claimed from CH380977Aexternal-prioritypatent/CH640238A5/en
Priority claimed from GB11799/78Aexternal-prioritypatent/GB1593623A/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Publication of SG18784GpublicationCriticalpatent/SG18784G/en