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Application filed by Josef Dolezal, Ivan Ing Misina, Karel Horinek, Miloslav Tvrdy, Frantisek BendafiledCriticalJosef Dolezal
Priority to CS879550ApriorityCriticalpatent/CS264487B1/en
Publication of CS955087A1publicationCriticalpatent/CS955087A1/en
Publication of CS264487B1publicationCriticalpatent/CS264487B1/en