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Priority claimed from CH1904770Aexternal-prioritypatent/CH532422A/de
Application filed by Sulzer AgfiledCriticalSulzer Ag
Priority to DK165973ApriorityCriticalpatent/DK147511C/da
Publication of DK147511BpublicationCriticalpatent/DK147511B/da
Application grantedgrantedCritical
Publication of DK147511CpublicationCriticalpatent/DK147511C/da