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Application filed by Alois Novacek, Venuse Sedlackova, Josef Hromas, Zdenek Kral, Bohumir Vondracek, Karel Culik, Jindrich Chromik, Zdenek SeverafiledCriticalAlois Novacek
Priority to CS535777ApriorityCriticalpatent/CS191031B1/cs
Publication of CS191031B1publicationCriticalpatent/CS191031B1/cs