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 Josef Tomeska, Viktor Riha, Josef Barborik, Jaroslav Konrad, Frantisek VrbafiledCriticalJosef Tomeska
Priority to CS592877ApriorityCriticalpatent/CS193915B1/cs
Publication of CS193915B1publicationCriticalpatent/CS193915B1/cs