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Application filed by Kontsek Peter, Borecky Ladislav, Novak MichalfiledCriticalKontsek Peter
Priority to CS885265ApriorityCriticalpatent/CS267391B1/en
Publication of CS526588A1publicationCriticalpatent/CS526588A1/en
Publication of CS267391B1publicationCriticalpatent/CS267391B1/en