Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ladislav Bures, Bures PavelfiledCriticalLadislav Bures
Priority to CS826899ApriorityCriticalpatent/CS231639B1/en
Publication of CS689982A1publicationCriticalpatent/CS689982A1/en
Publication of CS231639B1publicationCriticalpatent/CS231639B1/en