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Application filed by Cabicar Rudolf, Cerveny Jindrich, Rocak JaroslavfiledCriticalCabicar Rudolf
Priority to CS873982ApriorityCriticalpatent/CS265830B1/en
Publication of CS398287A1publicationCriticalpatent/CS398287A1/en
Publication of CS265830B1publicationCriticalpatent/CS265830B1/en