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Application filed by Snuparek Vladislav, Varga Ivan, Viliam Ing Csc Oravec, Jan Ing Demcisak, Jan ValigurskyfiledCriticalSnuparek Vladislav
Priority to CS883235ApriorityCriticalpatent/CS269651B1/en
Publication of CS323588A1publicationCriticalpatent/CS323588A1/en
Publication of CS269651B1publicationCriticalpatent/CS269651B1/en