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 Pavol Ing Balaz, Irena Ing Csc Pecharova, Tibor Merey, Michal IlavskyfiledCriticalPavol Ing Balaz
Priority to CS876199ApriorityCriticalpatent/CS266124B1/en
Publication of CS619987A1publicationCriticalpatent/CS619987A1/en
Publication of CS266124B1publicationCriticalpatent/CS266124B1/en