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 Paleta Oldrich, Jaroslav Ing Kvicala, Dedek VaclavfiledCriticalPaleta Oldrich
Priority to CS852980ApriorityCriticalpatent/CS245149B1/en
Publication of CS298085A1publicationCriticalpatent/CS298085A1/en
Publication of CS245149B1publicationCriticalpatent/CS245149B1/en