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 Juracka Frantisek, Jiri Sefek, Stanislav Ing Csc BreberafiledCriticalJuracka Frantisek
Priority to CS866239ApriorityCriticalpatent/CS256780B1/en
Publication of CS623986A1publicationCriticalpatent/CS623986A1/en
Publication of CS256780B1publicationCriticalpatent/CS256780B1/en