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Priority claimed from DE1902148578Dexternal-prioritypatent/DE148578C/de
Priority claimed from DE1902148577Dexternal-prioritypatent/DE148577C/de
Application filed by Allg Elek Citaets Aktien GesfiledCriticalAllg Elek Citaets Aktien Ges
Application grantedgrantedCritical
Publication of AT18141BpublicationCriticalpatent/AT18141B/de