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Application filed by Tesar Oldrich, Blasko Michal, Mladek Milos, Ladislav Bures, Skala Josef, Stanislav Kabele, Safar Vaclav, Ladislav Pirkl, Jaroslav LimberskyfiledCriticalTesar Oldrich
Priority to CS873872ApriorityCriticalpatent/CS263806B1/en
Publication of CS387287A1publicationCriticalpatent/CS387287A1/en
Publication of CS263806B1publicationCriticalpatent/CS263806B1/en