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Priority claimed from CH1123875Aexternal-prioritypatent/CH581917A5/xx
Application filed by Cerberus AgfiledCriticalCerberus Ag
Priority to AT587177ApriorityCriticalpatent/AT356744B/de
Publication of ATA587177ApublicationCriticalpatent/ATA587177A/de
Application grantedgrantedCritical
Publication of AT356744BpublicationCriticalpatent/AT356744B/de