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 Borovicka VitezslavfiledCriticalBorovicka Vitezslav
Priority to CS824854ApriorityCriticalpatent/CS242762B1/en
Publication of CS485482A1publicationCriticalpatent/CS485482A1/en
Publication of CS242762B1publicationCriticalpatent/CS242762B1/en