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 KlasfiledCriticalJaroslav Klas
Priority to CS836188ApriorityCriticalpatent/CS256002B1/en
Publication of CS618883A1publicationCriticalpatent/CS618883A1/en
Publication of CS256002B1publicationCriticalpatent/CS256002B1/en