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 Jan JanousekfiledCriticalJan Janousek
Priority to CS707176ApriorityCriticalpatent/CS187100B1/en
Publication of CS187100B1publicationCriticalpatent/CS187100B1/en