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 Jaroslav Prof Ing Drsc JerabekfiledCriticalJaroslav Prof Ing Drsc Jerabek
Priority to CS852519ApriorityCriticalpatent/CS259208B1/cs
Publication of CS251985A1publicationCriticalpatent/CS251985A1/cs
Publication of CS259208B1publicationCriticalpatent/CS259208B1/cs