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Application filed by Josef Ing Hohn, Fra Tisek Ing Kupka, Pavlik Oldrich, Oldrich Ing Kabelac, Oto SlonkafiledCriticalJosef Ing Hohn
Priority to CS825339ApriorityCriticalpatent/CS230763B1/en
Publication of CS533982A1publicationCriticalpatent/CS533982A1/en
Publication of CS230763B1publicationCriticalpatent/CS230763B1/en