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Application filed by Gassner JohannfiledCriticalGassner Johann
Priority to AT121977ApriorityCriticalpatent/AT350014B/de
Publication of ATA121977ApublicationCriticalpatent/ATA121977A/de
Application grantedgrantedCritical
Publication of AT350014BpublicationCriticalpatent/AT350014B/de