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 Pavel Doc Ing Drsc SlyskofiledCriticalPavel Doc Ing Drsc Slysko
Priority to CS815416ApriorityCriticalpatent/CS242251B1/en
Publication of CS541681A1publicationCriticalpatent/CS541681A1/en
Publication of CS242251B1publicationCriticalpatent/CS242251B1/en