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 Stefan Kovac, Milan Sochor, Jan SkripenfiledCriticalStefan Kovac
Priority to CS813874ApriorityCriticalpatent/CS184054B1/cs
Publication of CS184054B1publicationCriticalpatent/CS184054B1/cs