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 Antonin Doc Ing Csc Krumnikl, Olacek Augustin Ing K, Vladimir Ing SmidakfiledCriticalAntonin Doc Ing Csc Krumnikl
Priority to CS808698ApriorityCriticalpatent/CS231410B1/cs
Publication of CS869880A1publicationCriticalpatent/CS869880A1/cs
Publication of CS231410B1publicationCriticalpatent/CS231410B1/cs