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Application filed by Katzenberger HelmutfiledCriticalKatzenberger Helmut
Priority to AT257880ApriorityCriticalpatent/AT368788B/en
Publication of ATA257880ApublicationCriticalpatent/ATA257880A/en
Application grantedgrantedCritical
Publication of AT368788BpublicationCriticalpatent/AT368788B/en