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 Lubomir SechovecfiledCriticalLubomir Sechovec
Priority to CS864214ApriorityCriticalpatent/CS252949B1/en
Publication of CS421486A1publicationCriticalpatent/CS421486A1/en
Publication of CS252949B1publicationCriticalpatent/CS252949B1/en