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 Sykora Jiri, Chrz VaclavfiledCriticalSykora Jiri
Priority to CS868986ApriorityCriticalpatent/CS261790B1/en
Publication of CS898686A1publicationCriticalpatent/CS898686A1/en
Publication of CS261790B1publicationCriticalpatent/CS261790B1/en