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 Frantisek HrdounfiledCriticalFrantisek Hrdoun
Priority to CS471764ApriorityCriticalpatent/CS192001B1/en
Publication of CS192001B1publicationCriticalpatent/CS192001B1/en