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 Novak Ivan, Berek Dusan, Anton Prof Akademik BlazejfiledCriticalNovak Ivan
Priority to CS858361ApriorityCriticalpatent/CS254185B1/cs
Publication of CS836185A1publicationCriticalpatent/CS836185A1/cs
Publication of CS254185B1publicationCriticalpatent/CS254185B1/cs