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 Miroslav Ulrich, Ludvik Novotny, Jan Ing Leiner, Alois Ing Cs SvabfiledCriticalMiroslav Ulrich
Priority to CS848663ApriorityCriticalpatent/CS244255B1/en
Publication of CS866384A1publicationCriticalpatent/CS866384A1/en
Publication of CS244255B1publicationCriticalpatent/CS244255B1/en