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Priority claimed from CH362375Aexternal-prioritypatent/CH589738A5/xx
Priority claimed from AT226877Aexternal-prioritypatent/AT351422B/de
Application filed by Sulzer AgfiledCriticalSulzer Ag
Publication of ATA561277ApublicationCriticalpatent/ATA561277A/de
Application grantedgrantedCritical
Publication of AT353716BpublicationCriticalpatent/AT353716B/de