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 Dvorsky Drahomir, Karel Cerovsky, Pavel Ing Gruener, Vodak Zdenek, Hell JirifiledCriticalDvorsky Drahomir
Priority to CS874432ApriorityCriticalpatent/CS262225B1/en
Publication of CS443287A1publicationCriticalpatent/CS443287A1/en
Publication of CS262225B1publicationCriticalpatent/CS262225B1/en