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 Miroslav Kralik, Ludvik SojdrfiledCriticalMiroslav Kralik
Priority to CS231876ApriorityCriticalpatent/CS182080B1/cs
Publication of CS182080B1publicationCriticalpatent/CS182080B1/cs