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Priority claimed from CH49878Aexternal-prioritypatent/CH615644A5/de
Application filed by Sulzer AgfiledCriticalSulzer Ag
Priority to AT375880ApriorityCriticalpatent/AT365671B/de
Publication of ATA375880ApublicationCriticalpatent/ATA375880A/de
Application grantedgrantedCritical
Publication of AT365671BpublicationCriticalpatent/AT365671B/de