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 Jan Slais, Milos Samec, Milan GallasfiledCriticalJan Slais
Priority to CS789475ApriorityCriticalpatent/CS191476B1/cs
Publication of CS191476B1publicationCriticalpatent/CS191476B1/cs