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 Pavel Ing Pribyl, Miroslav VolenafiledCriticalPavel Ing Pribyl
Priority to CS857147ApriorityCriticalpatent/CS253503B1/en
Publication of CS714785A1publicationCriticalpatent/CS714785A1/en
Publication of CS253503B1publicationCriticalpatent/CS253503B1/en