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 Libor Ing Borkovec, Ludvik Mensa, Jiri HulafiledCriticalLibor Ing Borkovec
Priority to CS834623ApriorityCriticalpatent/CS243956B1/en
Publication of CS462383A1publicationCriticalpatent/CS462383A1/en
Publication of CS243956B1publicationCriticalpatent/CS243956B1/en