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Application filed by Lubomir Doc Ing Csc Popelinsky, Zdenek Ing MorakfiledCriticalLubomir Doc Ing Csc Popelinsky
Priority to CS864223ApriorityCriticalpatent/CS254437B1/en
Publication of CS422386A1publicationCriticalpatent/CS422386A1/en
Publication of CS254437B1publicationCriticalpatent/CS254437B1/en