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 Jaroslav Divoky, Vladimir VadurafiledCriticalJaroslav Divoky
Priority to CS668877ApriorityCriticalpatent/CS190258B1/en
Publication of CS190258B1publicationCriticalpatent/CS190258B1/en