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Priority claimed from CH1194371Aexternal-prioritypatent/CH550536A/de
Priority claimed from CH1194171Aexternal-prioritypatent/CH534236A/de
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Application grantedgrantedCritical
Publication of AT313933BpublicationCriticalpatent/AT313933B/de