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 Gorgon Oldrich, Joef Zivansky, Kopelent JindrichfiledCriticalGorgon Oldrich
Priority to CS849242ApriorityCriticalpatent/CS255258B1/en
Publication of CS924284A1publicationCriticalpatent/CS924284A1/en
Publication of CS255258B1publicationCriticalpatent/CS255258B1/en