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Application filed by Marcel Ing Patek, Hampl Frantisek, Svoboda Jiri, Votava Vladimir, Palecek Jaroslav, Zak Bohumil, Mostecky JirifiledCriticalMarcel Ing Patek
Priority to CS128689ApriorityCriticalpatent/CS272942B1/en
Publication of CS128689A1publicationCriticalpatent/CS128689A1/en
Publication of CS272942B1publicationCriticalpatent/CS272942B1/en