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 Necas Miroslav, Plechacek Vaclav, Rabusan Jan Ing Csc 9filedCriticalNecas Miroslav
Priority to CS846097ApriorityCriticalpatent/CS239496B1/en
Publication of CS609784A1publicationCriticalpatent/CS609784A1/en
Publication of CS239496B1publicationCriticalpatent/CS239496B1/en