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Application filed by Stanislav Smoldas, Milan Havel, Bohumil KozelafiledCriticalStanislav Smoldas
Priority to CS848487ApriorityCriticalpatent/CS245943B1/en
Publication of CS848784A1publicationCriticalpatent/CS848784A1/en
Publication of CS245943B1publicationCriticalpatent/CS245943B1/en