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 Novotny Josef, Masak VladimirfiledCriticalNovotny Josef
Priority to CS871720ApriorityCriticalpatent/CS260077B1/en
Priority to DE8787303559Tprioritypatent/DE3767018D1/en
Priority to EP87303559Aprioritypatent/EP0244154B1/en
Priority to FI871824Aprioritypatent/FI871824A/en
Publication of CS172087A1publicationCriticalpatent/CS172087A1/en
Publication of CS260077B1publicationCriticalpatent/CS260077B1/en