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Application filed by Vladislav Ing Travnicek, Vaclav Hruza, Jaroslav BabickyfiledCriticalVladislav Ing Travnicek
Priority to CS867034ApriorityCriticalpatent/CS255236B1/en
Publication of CS703486A1publicationCriticalpatent/CS703486A1/en
Publication of CS255236B1publicationCriticalpatent/CS255236B1/en