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 Vlastimil Kozelsky, Jiri Matas, Jaroslav HodinafiledCriticalVlastimil Kozelsky
Priority to CS846801ApriorityCriticalpatent/CS240898B1/en
Publication of CS680184A1publicationCriticalpatent/CS680184A1/en
Priority to DD27976285Aprioritypatent/DD260600A3/en
Publication of CS240898B1publicationCriticalpatent/CS240898B1/en