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Application filed by Ivan Ing Csc Slavik, Pavol Ing BullafiledCriticalIvan Ing Csc Slavik
Priority to CS845932ApriorityCriticalpatent/CS238849B1/en
Publication of CS593284A1publicationCriticalpatent/CS593284A1/en
Publication of CS238849B1publicationCriticalpatent/CS238849B1/en