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 Ludmila SilhankovafiledCriticalLudmila Silhankova
Priority to CS430675ApriorityCriticalpatent/CS182475B1/en
Publication of CS182475B1publicationCriticalpatent/CS182475B1/en