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Application filed by Ladislav Ing Sznecs, Skrada Dusan, Patek Peter, Kiss GabrielfiledCriticalLadislav Ing Sznecs
Priority to CS87191ApriorityCriticalpatent/CS261545B1/en
Publication of CS19187A1publicationCriticalpatent/CS19187A1/en
Publication of CS261545B1publicationCriticalpatent/CS261545B1/en