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Application filed by Hotek Frantisek, Oldrich Ing Kriz, Pendl Jiri, Vladislav Ing StratilfiledCriticalHotek Frantisek
Priority to CS49089ApriorityCriticalpatent/CS272546B1/en
Publication of CS49089A1publicationCriticalpatent/CS49089A1/en
Publication of CS272546B1publicationCriticalpatent/CS272546B1/en