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 Sury, Karel Friedmann, Ladislav Subert, Jiri NemecekfiledCriticalJiri Sury
Priority to CS807476ApriorityCriticalpatent/CS182888B1/cs
Publication of CS182888B1publicationCriticalpatent/CS182888B1/cs