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 Kopcil Milan, Stach Pavel, Zdenek Ing Stavar, Bartos Otakar, Vaclavek Miroslav, Antonin LysonekfiledCriticalKopcil Milan
Priority to CS874575ApriorityCriticalpatent/CS262505B1/en
Publication of CS457587A1publicationCriticalpatent/CS457587A1/en
Publication of CS262505B1publicationCriticalpatent/CS262505B1/en