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 Wiesner IvofiledCriticalWiesner Ivo
Priority to CS837174ApriorityCriticalpatent/CS243612B1/en
Publication of CS717483A1publicationCriticalpatent/CS717483A1/en
Publication of CS243612B1publicationCriticalpatent/CS243612B1/en