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 Karel Ing HolyfiledCriticalKarel Ing Holy
Priority to CS874708ApriorityCriticalpatent/CS261281B1/en
Publication of CS470887A1publicationCriticalpatent/CS470887A1/en
Publication of CS261281B1publicationCriticalpatent/CS261281B1/en