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 CS873095ApriorityCriticalpatent/CS263780B1/en
Publication of CS309587A1publicationCriticalpatent/CS309587A1/en
Publication of CS263780B1publicationCriticalpatent/CS263780B1/en