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Application filed by Lubomir Doc Ing Csc Popelinsky, Horak ZdenekfiledCriticalLubomir Doc Ing Csc Popelinsky
Priority to CS871774ApriorityCriticalpatent/CS260711B1/en
Publication of CS177487A1publicationCriticalpatent/CS177487A1/en
Publication of CS260711B1publicationCriticalpatent/CS260711B1/en