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Publication date
Priority claimed from CH6947559Aexternal-prioritypatent/CH383953A/en
Priority claimed from CH8178059Aexternal-prioritypatent/CH407111A/en
Priority claimed from CH185860Aexternal-prioritypatent/CH432510A/en
Application filed by Ciba GeigyfiledCriticalCiba Geigy
Application grantedgrantedCritical
Publication of AT246934BpublicationCriticalpatent/AT246934B/en