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, Jarmila Jelinkova, Alena MastnafiledCriticalPavel Uhlir
Priority to CS882869ApriorityCriticalpatent/CS266191B1/cs
Publication of CS286988A1publicationCriticalpatent/CS286988A1/cs
Priority to IT8920313Aprioritypatent/IT1229302B/it
Publication of CS266191B1publicationCriticalpatent/CS266191B1/cs