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 Jan Ilavsky, Milan Hronec, Milos Revus, Jozef Mikulec, Ivan Kopernicky, Rostislav VilimfiledCriticalJan Ilavsky
Priority to CS107981ApriorityCriticalpatent/CS222625B1/cs
Publication of CS222625B1publicationCriticalpatent/CS222625B1/cs