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Priority claimed from CH1906269Aexternal-prioritypatent/CH518958A/de
Priority claimed from CH1906169Aexternal-prioritypatent/CH520699A/de
Priority claimed from FI339870Aexternal-prioritypatent/FI50629C/fi
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Publication of FI751162A7publicationCriticalpatent/FI751162A7/fi
Application grantedgrantedCritical
Publication of FI53129BpublicationCriticalpatent/FI53129B/fi
Publication of FI53129CpublicationCriticalpatent/FI53129C/fi