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Application filed by Borovicka Josef, Jirsa Jan, Sykora JirifiledCriticalBorovicka Josef
Priority to CS812721ApriorityCriticalpatent/CS254251B1/en
Publication of CS272181A1publicationCriticalpatent/CS272181A1/en
Publication of CS254251B1publicationCriticalpatent/CS254251B1/en
CS812721A1982-12-271982-12-27Method of oxygen or nitrogen production with varying discharge by means of low-temperature air distribution and equipment for its realization
CS254251B1
(en)