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 Ladislav Ing Novotny, Miroslav Ing Kokeisl, Ladislav Ing Pech, Jindrich Ing VanikfiledCriticalLadislav Ing Novotny
Priority to CS847734ApriorityCriticalpatent/CS240146B1/en
Publication of CS773484A1publicationCriticalpatent/CS773484A1/en
Publication of CS240146B1publicationCriticalpatent/CS240146B1/en