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 Vaclav Krob, Hana Zajicova, Smidrkal Jan, Mikulcova Dagmar, Vendulka Kominkova, Novak Jan, Marie SolarovafiledCriticalVaclav Krob
Priority to CS875681ApriorityCriticalpatent/CS263844B1/en
Publication of CS568187A1publicationCriticalpatent/CS568187A1/en
Publication of CS263844B1publicationCriticalpatent/CS263844B1/en