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Application filed by Oto Vitek, Seichter Pavel, Antonin Hucik, Stanislav Sevcik, Ladislav Jirousek, Miroslav EsserfiledCriticalOto Vitek
Priority to CS871566ApriorityCriticalpatent/CS259696B1/en
Publication of CS156687A1publicationCriticalpatent/CS156687A1/en
Publication of CS259696B1publicationCriticalpatent/CS259696B1/en