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Application filed by Helmut PreisenschuhfiledCriticalHelmut Preisenschuh
Priority to AT161195ApriorityCriticalpatent/AT402471B/en
Publication of ATA161195ApublicationCriticalpatent/ATA161195A/en
Application grantedgrantedCritical
Publication of AT402471BpublicationCriticalpatent/AT402471B/en