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 Pavel Ing Duspiva, Miroslav Judr Cudlin, Tetour Zdenek, Ludmila Safkova, Miroslava SafkovafiledCriticalPavel Ing Duspiva
Priority to CS834997ApriorityCriticalpatent/CS239640B1/en
Publication of CS499783A1publicationCriticalpatent/CS499783A1/en
Publication of CS239640B1publicationCriticalpatent/CS239640B1/en