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 Zbynek Ing ValentafiledCriticalZbynek Ing Valenta
Priority to CS823208ApriorityCriticalpatent/CS236509B1/en
Publication of CS320882A1publicationCriticalpatent/CS320882A1/en
Publication of CS236509B1publicationCriticalpatent/CS236509B1/en