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 Micak Jozef, Ferencik Jan, Stefan Ing Barnak, Berezny ViktorfiledCriticalMicak Jozef
Priority to CS881159ApriorityCriticalpatent/CS269535B1/en
Publication of CS115988A1publicationCriticalpatent/CS115988A1/en
Publication of CS269535B1publicationCriticalpatent/CS269535B1/en