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 Kvicala Jaroslav, Paleta Oldrich, Dedek VaclavfiledCriticalKvicala Jaroslav
Priority to CS879555ApriorityCriticalpatent/CS272306B1/en
Publication of CS955587A1publicationCriticalpatent/CS955587A1/en
Publication of CS272306B1publicationCriticalpatent/CS272306B1/en