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 Ludvik Ing Csc Sokol, Jiri Loukota, Josef VrzanfiledCriticalLudvik Ing Csc Sokol
Priority to CS824298ApriorityCriticalpatent/CS238716B1/en
Publication of CS429882A1publicationCriticalpatent/CS429882A1/en
Publication of CS238716B1publicationCriticalpatent/CS238716B1/en