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 Suchy, Svatopluk PelikanfiledCriticalJaroslav Suchy
Priority to CS884681ApriorityCriticalpatent/CS270063B1/en
Publication of CS468189A1publicationCriticalpatent/CS468189A1/en
Publication of CS270063B1publicationCriticalpatent/CS270063B1/en