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 Urbanek Henrich, Jan Ing Katana, Stejskal Jiri, Milos Ing SedajfiledCriticalUrbanek Henrich
Priority to CS86749ApriorityCriticalpatent/CS265755B1/en
Publication of CS74986A1publicationCriticalpatent/CS74986A1/en
Publication of CS265755B1publicationCriticalpatent/CS265755B1/en