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Application filed by Jaroslav Riha, Milena Ing Menclova, Vaclav Ing KolarfiledCriticalJaroslav Riha
Priority to CS815288ApriorityCriticalpatent/CS273528B1/en
Publication of CS815288A1publicationCriticalpatent/CS815288A1/en
Publication of CS273528B1publicationCriticalpatent/CS273528B1/en