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Priority claimed from CH252968Aexternal-prioritypatent/CH493558A/de
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Publication of FI48193BpublicationCriticalpatent/FI48193B/fi
Application grantedgrantedCritical
Publication of FI48193CpublicationCriticalpatent/FI48193C/fi