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Application filed by Pospisil Jaroslav, Vaclav Skala, Hanus JirifiledCriticalPospisil Jaroslav
Priority to CS875384ApriorityCriticalpatent/CS265960B1/en
Publication of CS538487A1publicationCriticalpatent/CS538487A1/en
Publication of CS265960B1publicationCriticalpatent/CS265960B1/en