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 SkyrtafiledCriticalJan Skyrta
Priority to CS650077ApriorityCriticalpatent/CS191740B1/cs
Publication of CS191740B1publicationCriticalpatent/CS191740B1/cs