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Application filed by Mirko Wozniak, Svatopluk Federman, Frantisek Vancura, Jan Danci, Zdenek Ing RitzfiledCriticalMirko Wozniak
Priority to CS89498ApriorityCriticalpatent/CS270640B1/en
Publication of CS49889A1publicationCriticalpatent/CS49889A1/en
Publication of CS270640B1publicationCriticalpatent/CS270640B1/en