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 Jiri Elfmark, Svatopluk Burda, Zdenek KosnovskyfiledCriticalJiri Elfmark
Priority to CS383177ApriorityCriticalpatent/CS186827B1/cs
Publication of CS186827B1publicationCriticalpatent/CS186827B1/cs