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Application filed by Ludomir Ing Csc Vojta, Petrasek Josef, Jiranek MilosfiledCriticalLudomir Ing Csc Vojta
Priority to CS863761ApriorityCriticalpatent/CS267703B1/en
Publication of CS376186A1publicationCriticalpatent/CS376186A1/en
Publication of CS267703B1publicationCriticalpatent/CS267703B1/en