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 Cech Vladimir, Josef Peterka, Jaroslav Svarcbek, Miloslav Prof Ing Drsc Velebil, Jiri ZarubafiledCriticalCech Vladimir
Priority to CS869009ApriorityCriticalpatent/CS265913B1/en
Publication of CS900986A1publicationCriticalpatent/CS900986A1/en
Publication of CS265913B1publicationCriticalpatent/CS265913B1/en