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 Kohout, Miroslav Nemecek, Jaroslav Porcal, Zdenek Hajek, Josef Ing Csc JanecekfiledCriticalJaroslav Kohout
Priority to CS8710096ApriorityCriticalpatent/CS270614B1/en
Publication of CS1009687A1publicationCriticalpatent/CS1009687A1/en
Publication of CS270614B1publicationCriticalpatent/CS270614B1/en