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Application filed by Stepita Matej, Ondrus Imrich, Ladislav Ing BystrickyfiledCriticalStepita Matej
Priority to CS871267ApriorityCriticalpatent/CS261746B1/en
Publication of CS126787A1publicationCriticalpatent/CS126787A1/en
Publication of CS261746B1publicationCriticalpatent/CS261746B1/en