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 Josef Ing Cihlar, Josef Skalicky, Jaroslav Slanina, Josef FurkafiledCriticalJosef Ing Cihlar
Priority to CS170389ApriorityCriticalpatent/CS273832B1/en
Publication of CS170389A1publicationCriticalpatent/CS170389A1/en
Publication of CS273832B1publicationCriticalpatent/CS273832B1/en