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Application filed by Pavol Ing Csc Skubla, Mikulas Ing BudayfiledCriticalPavol Ing Csc Skubla
Priority to CS829002ApriorityCriticalpatent/CS231789B1/en
Publication of CS900282A1publicationCriticalpatent/CS900282A1/en
Publication of CS231789B1publicationCriticalpatent/CS231789B1/en