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Application filed by Varkonda Stefan, Hyblova Olga, Sutoris Viktor, Konecny Vaclav, Slavoj Doc Ing Csc MikulasekfiledCriticalVarkonda Stefan
Priority to CS842969ApriorityCriticalpatent/CS252503B1/en
Publication of CS296984A1publicationCriticalpatent/CS296984A1/en
Publication of CS252503B1publicationCriticalpatent/CS252503B1/en