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Application filed by Mynar Vladimir, Antonin Doc Ing Drsc Krumnikl, Mochel Jiri, Koudelka Karel, Sevcik Arnost, Dzierza Emil, Tkac Ivan, Ledl Lumir, Novotny StanislavfiledCriticalMynar Vladimir
Priority to CS875813ApriorityCriticalpatent/CS262524B1/en
Publication of CS581387A1publicationCriticalpatent/CS581387A1/en
Publication of CS262524B1publicationCriticalpatent/CS262524B1/en