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Application filed by Karl Ing Brandstetter, Rudolf Ing LeitnerfiledCriticalKarl Ing Brandstetter
Priority to AT24598ApriorityCriticalpatent/AT406283B/de
Publication of ATA24598ApublicationCriticalpatent/ATA24598A/de
Application grantedgrantedCritical
Publication of AT406283BpublicationCriticalpatent/AT406283B/de