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 Vlastimil Ing Bartel, Jaroslav Ing Csc Bystriansky, Miluse Ing Mokra, Pavel Ing Csc Novak, Vladimir Payer, Jaroslav Ing Podval, Ludmila Ing VeselafiledCriticalVlastimil Ing Bartel
Priority to CS835322ApriorityCriticalpatent/CS254403B1/cs
Publication of CS532283A1publicationCriticalpatent/CS532283A1/cs
Publication of CS254403B1publicationCriticalpatent/CS254403B1/cs