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 Pavel Uhlir, Maxa JaroslavfiledCriticalPavel Uhlir
Priority to CS868265ApriorityCriticalpatent/CS258563B1/en
Publication of CS826586A1publicationCriticalpatent/CS826586A1/en
Publication of CS258563B1publicationCriticalpatent/CS258563B1/en