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 Hajek Jiri, Hampl Frantisek, Josef Ing Kuban, Drahonovsky Jan, Votava Vladimir, Svoboda Jiri, Kubelka Vladislav, Palecek Jaroslav, Mostecky JirifiledCriticalHajek Jiri
Priority to CS877920ApriorityCriticalpatent/CS270360B1/en
Publication of CS792087A1publicationCriticalpatent/CS792087A1/en
Publication of CS270360B1publicationCriticalpatent/CS270360B1/en