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 Hlavica, Jiri Kaslik, Jiri AndrysfiledCriticalJaroslav Hlavica
Priority to CS88271ApriorityCriticalpatent/CS269113B1/en
Publication of CS27188A1publicationCriticalpatent/CS27188A1/en
Publication of CS269113B1publicationCriticalpatent/CS269113B1/en