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Application filed by Walli Keg Dipl IngfiledCriticalWalli Keg Dipl Ing
Priority to AT55496ApriorityCriticalpatent/AT403547B/de
Publication of ATA55496ApublicationCriticalpatent/ATA55496A/de
Application grantedgrantedCritical
Publication of AT403547BpublicationCriticalpatent/AT403547B/de