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 Jozefina Ing SpacilovafiledCriticalJozefina Ing Spacilova
Priority to CS864454ApriorityCriticalpatent/CS257937B1/en
Publication of CS445486A1publicationCriticalpatent/CS445486A1/en
Publication of CS257937B1publicationCriticalpatent/CS257937B1/en