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Application filed by Chloupek MilanfiledCriticalChloupek Milan
Priority to CS540689priorityCriticalpatent/CZ278977B6/en
Priority to SK540689Aprioritypatent/SK277955B6/en
Publication of CS8905406A2publicationCriticalpatent/CS8905406A2/en
Publication of CZ278977B6publicationCriticalpatent/CZ278977B6/en