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 Grmela Vladimir, Ladislav Ing Prokopec, Pavlicek Jiri, Petru Vladimir, Svarc JoseffiledCriticalGrmela Vladimir
Priority to CS848597ApriorityCriticalpatent/CS242143B1/en
Publication of CS859784A1publicationCriticalpatent/CS859784A1/en
Publication of CS242143B1publicationCriticalpatent/CS242143B1/en