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 Forejt Jiri, Pavel EllederfiledCriticalForejt Jiri
Priority to CS879339ApriorityCriticalpatent/CS267144B1/en
Publication of CS933987A1publicationCriticalpatent/CS933987A1/en
Publication of CS267144B1publicationCriticalpatent/CS267144B1/en