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 Pavol GuldanfiledCriticalPavol Guldan
Priority to CS875899ApriorityCriticalpatent/CS264730B1/en
Publication of CS589987A1publicationCriticalpatent/CS589987A1/en
Publication of CS264730B1publicationCriticalpatent/CS264730B1/en