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 Ladislav Loukota, Jiri Litomysky, Frantisek Kyselak, Bohumil KucerafiledCriticalLadislav Loukota
Priority to CS362177ApriorityCriticalpatent/CS189842B1/en
Publication of CS189842B1publicationCriticalpatent/CS189842B1/en