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 Poor Robert, Svitek Imrich, Stanislav Ing Gaher, Kopinic VladimirfiledCriticalPoor Robert
Priority to CS846461ApriorityCriticalpatent/CS251486B1/en
Publication of CS646184A1publicationCriticalpatent/CS646184A1/en
Publication of CS251486B1publicationCriticalpatent/CS251486B1/en