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Application filed by Bucek Pavel, Drahomir Zouhar, Vaclav Sustr, Musil Ivan, Havranek Milan, Drkal Jaroslav, Frantisek Dolihal, Ando JanfiledCriticalBucek Pavel
Priority to CS835666ApriorityCriticalpatent/CS232587B1/en
Publication of CS566683A1publicationCriticalpatent/CS566683A1/en
Publication of CS232587B1publicationCriticalpatent/CS232587B1/en