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Application filed by Mynar Vladimir, Karel Koudelka, Nykl Jan, Smerda FrantisekfiledCriticalMynar Vladimir
Priority to CS851678ApriorityCriticalpatent/CS244078B1/en
Publication of CS167885A1publicationCriticalpatent/CS167885A1/en
Publication of CS244078B1publicationCriticalpatent/CS244078B1/en