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 Cabicar Rudolf, Hudec Frantisek, Cerveny Jindrich, Rocak JaroslavfiledCriticalCabicar Rudolf
Priority to CS864116ApriorityCriticalpatent/CS263201B1/en
Publication of CS411686A1publicationCriticalpatent/CS411686A1/en
Publication of CS263201B1publicationCriticalpatent/CS263201B1/en