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Application filed by Milivoj Votner, Oldrich Sovicka, Pavel Ing SlamafiledCriticalMilivoj Votner
Priority to CS859792ApriorityCriticalpatent/CS256266B1/en
Publication of CS979285A1publicationCriticalpatent/CS979285A1/en
Publication of CS256266B1publicationCriticalpatent/CS256266B1/en