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Application filed by Josef Prof Ing Csc Rada, Oskar KovarikfiledCriticalJosef Prof Ing Csc Rada
Priority to CS823632ApriorityCriticalpatent/CS231320B1/en
Publication of CS363282A1publicationCriticalpatent/CS363282A1/en
Publication of CS231320B1publicationCriticalpatent/CS231320B1/en