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Application filed by Klofac Josef, Soukup Vaclav, Vratislav Ing Drsc Horalek, Jaroslav CulekfiledCriticalKlofac Josef
Priority to CS879776ApriorityCriticalpatent/CS270964B1/en
Publication of CS977687A1publicationCriticalpatent/CS977687A1/en
Publication of CS270964B1publicationCriticalpatent/CS270964B1/en