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 Jaroslav FialafiledCriticalJaroslav Fiala
Priority to CS825145ApriorityCriticalpatent/CS230833B1/en
Publication of CS514582A1publicationCriticalpatent/CS514582A1/en
Publication of CS230833B1publicationCriticalpatent/CS230833B1/en