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Application filed by Erhartt Lutz Dipl IngfiledCriticalErhartt Lutz Dipl Ing
Priority to AT13496ApriorityCriticalpatent/AT405353B/de
Publication of ATA13496ApublicationCriticalpatent/ATA13496A/de
Application grantedgrantedCritical
Publication of AT405353BpublicationCriticalpatent/AT405353B/de