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 Michal Popelis, Eduard JavorskyfiledCriticalMichal Popelis
Priority to CS210477ApriorityCriticalpatent/CS186165B1/cs
Publication of CS186165B1publicationCriticalpatent/CS186165B1/cs