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 Lubomir Ing HrdlickafiledCriticalLubomir Ing Hrdlicka
Priority to CS877549ApriorityCriticalpatent/CS264656B1/en
Publication of CS754987A1publicationCriticalpatent/CS754987A1/en
Publication of CS264656B1publicationCriticalpatent/CS264656B1/en