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 Strakos Ladislav, Liska Josef, Josef Ing SavafiledCriticalStrakos Ladislav
Priority to CS859827ApriorityCriticalpatent/CS252147B1/en
Publication of CS982785A1publicationCriticalpatent/CS982785A1/en
Publication of CS252147B1publicationCriticalpatent/CS252147B1/en