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 Kollarik DusanfiledCriticalKollarik Dusan
Priority to CS868974ApriorityCriticalpatent/CS260360B1/cs
Publication of CS897486A1publicationCriticalpatent/CS897486A1/cs
Publication of CS260360B1publicationCriticalpatent/CS260360B1/cs