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 Milan Lichvar, Julius Sabados, Alojz Zlacky, Andrej Ridarsky, Ludovit ButkovskyfiledCriticalMilan Lichvar
Priority to CS720175ApriorityCriticalpatent/CS186382B1/cs
Publication of CS186382B1publicationCriticalpatent/CS186382B1/cs