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 Dusan Kral, Zdeno Konecny, Jozef PaulinafiledCriticalDusan Kral
Priority to CS220477ApriorityCriticalpatent/CS186816B1/cs
Publication of CS186816B1publicationCriticalpatent/CS186816B1/cs