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 Karel Burda, Roman NyklicekfiledCriticalKarel Burda
Priority to CS284677ApriorityCriticalpatent/CS188709B1/cs
Publication of CS188709B1publicationCriticalpatent/CS188709B1/cs