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 KutalfiledCriticalJiri Kutal
Priority to CS867875ApriorityCriticalpatent/CS183251B1/cs
Publication of CS183251B1publicationCriticalpatent/CS183251B1/cs