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 Vladimir Husek, Bohumil Hylmar, Ludmila Peterkova, Libuse Pokorna, Miroslav DedekfiledCriticalVladimir Husek
Priority to CS483477ApriorityCriticalpatent/CS190799B3/cs
Publication of CS190799B3publicationCriticalpatent/CS190799B3/cs