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 Jozef Ing Cerny, Proksa Bohumil, Varga Ivan, Jan Ing Morovic, Valasik Tibor, Kmetty Gejza, Zdenko Brezovsky, Karol Ing Siska, Gattnar OndrejfiledCriticalJozef Ing Cerny
Priority to CS88167ApriorityCriticalpatent/CS270168B1/en
Publication of CS16788A1publicationCriticalpatent/CS16788A1/en
Publication of CS270168B1publicationCriticalpatent/CS270168B1/en