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Application filed by Hotek Frantisek, Oldrich Ing Kriz, Pendl JirifiledCriticalHotek Frantisek
Priority to CS49289ApriorityCriticalpatent/CS272931B1/en
Publication of CS49289A1publicationCriticalpatent/CS49289A1/en
Publication of CS272931B1publicationCriticalpatent/CS272931B1/en