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Application filed by Prugner SiegfriedfiledCriticalPrugner Siegfried
Priority to AT75492ApriorityCriticalpatent/AT401328B/de
Publication of ATA75492ApublicationCriticalpatent/ATA75492A/de
Application grantedgrantedCritical
Publication of AT401328BpublicationCriticalpatent/AT401328B/de