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 Mraz ZdenekfiledCriticalMraz Zdenek
Priority to CS862266ApriorityCriticalpatent/CS268857B1/en
Publication of CS226686A1publicationCriticalpatent/CS226686A1/en
Publication of CS268857B1publicationCriticalpatent/CS268857B1/en