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 Adolf PrazskyfiledCriticalAdolf Prazsky
Priority to CS8410596ApriorityCriticalpatent/CS247427B1/en
Publication of CS1059684A1publicationCriticalpatent/CS1059684A1/en
Publication of CS247427B1publicationCriticalpatent/CS247427B1/en