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 BocekfiledCriticalKarel Bocek
Priority to CS150675ApriorityCriticalpatent/CS194913B1/en
Publication of CS194913B1publicationCriticalpatent/CS194913B1/en