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 Hubert Uhmann, Miroslav KeslarfiledCriticalHubert Uhmann
Priority to CS355774ApriorityCriticalpatent/CS187565B1/cs
Publication of CS187565B1publicationCriticalpatent/CS187565B1/cs