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 Kotek VladimirfiledCriticalKotek Vladimir
Priority to CS856533ApriorityCriticalpatent/CS251832B1/en
Publication of CS653385A1publicationCriticalpatent/CS653385A1/en
Publication of CS251832B1publicationCriticalpatent/CS251832B1/en