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, Ludovit Butkovsky, Jan VidovenecfiledCriticalMilan Lichvar
Priority to CS695675ApriorityCriticalpatent/CS185908B1/cs
Publication of CS185908B1publicationCriticalpatent/CS185908B1/cs