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Application filed by Karl Steindl Nachf Erich UrchfiledCriticalKarl Steindl Nachf Erich Urch
Priority to AT273483ApriorityCriticalpatent/AT377954B/de
Publication of ATA273483ApublicationCriticalpatent/ATA273483A/de
Application grantedgrantedCritical
Publication of AT377954BpublicationCriticalpatent/AT377954B/de