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Application filed by Fronhofer RudolffiledCriticalFronhofer Rudolf
Priority to AT211992ApriorityCriticalpatent/AT397455B/de
Publication of ATA211992ApublicationCriticalpatent/ATA211992A/de
Application grantedgrantedCritical
Publication of AT397455BpublicationCriticalpatent/AT397455B/de