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Application filed by Ebringerova Anna, Miroslav Ing Csc Antal, Ivan Ing SimkovicfiledCriticalEbringerova Anna
Priority to CS838304ApriorityCriticalpatent/CS238884B1/en
Publication of CS830483A1publicationCriticalpatent/CS830483A1/en
Publication of CS238884B1publicationCriticalpatent/CS238884B1/en