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Application filed by Stanislav Slavik, Karel Ing Csc CincibusfiledCriticalStanislav Slavik
Priority to CS856588ApriorityCriticalpatent/CS253494B1/en
Publication of CS658885A1publicationCriticalpatent/CS658885A1/en
Publication of CS253494B1publicationCriticalpatent/CS253494B1/en