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 Jan Kotas, Jaroslav Ambroz, Milan Kunz, Irena Varekova, Jiri Floder, Jaromir HodinkafiledCriticalJan Kotas
Priority to CS383286ApriorityCriticalpatent/CS259802B3/en
Publication of CS383286A1publicationCriticalpatent/CS383286A1/en
Publication of CS259802B3publicationCriticalpatent/CS259802B3/en