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Application filed by Dobnig AlfredfiledCriticalDobnig Alfred
Priority to AT25690ApriorityCriticalpatent/AT399981B/de
Publication of ATA25690ApublicationCriticalpatent/ATA25690A/de
Application grantedgrantedCritical
Publication of AT399981BpublicationCriticalpatent/AT399981B/de