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 Miroslav Hruby, Antonin VychodilfiledCriticalMiroslav Hruby
Priority to CS510973ApriorityCriticalpatent/CS179025B1/cs
Publication of CS179025B1publicationCriticalpatent/CS179025B1/cs