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 Jiri Incsc VoborilfiledCriticalJiri Incsc Voboril
Priority to CS868831ApriorityCriticalpatent/CS256838B1/en
Publication of CS883186A1publicationCriticalpatent/CS883186A1/en
Publication of CS256838B1publicationCriticalpatent/CS256838B1/en