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 VitkovicefiledCriticalVitkovice
Priority to CS896706ApriorityCriticalpatent/CZ277695B6/en
Publication of CS670689A3publicationCriticalpatent/CS670689A3/en
Publication of CZ277695B6publicationCriticalpatent/CZ277695B6/en