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Priority claimed from AT0042090Aexternal-prioritypatent/AT398059B/de
Application filed by Siemens Sgp Verkehrstech GmbhfiledCriticalSiemens Sgp Verkehrstech Gmbh
Priority to AT254592ApriorityCriticalpatent/ATA254592A/de
Publication of ATA254592ApublicationCriticalpatent/ATA254592A/de