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Application filed by Pospisil Jaroslav, Zajdlik Josef, Michalek Zdenek, Karel Ing Klusak, Krejci Petr, Alois Sehnalek, Pumprla AloisfiledCriticalPospisil Jaroslav
Priority to CS885675ApriorityCriticalpatent/CS272403B1/en
Publication of CS567588A1publicationCriticalpatent/CS567588A1/en
Publication of CS272403B1publicationCriticalpatent/CS272403B1/en