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 Josef KrhounekfiledCriticalJosef Krhounek
Priority to CS859775ApriorityCriticalpatent/CS183248B1/cs
Publication of CS183248B1publicationCriticalpatent/CS183248B1/cs