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Application filed by Ladislav Doc Ing Csc Malik, Pavol Ing MegeduesfiledCriticalLadislav Doc Ing Csc Malik
Priority to CS86903ApriorityCriticalpatent/CS257836B1/cs
Publication of CS90386A1publicationCriticalpatent/CS90386A1/cs
Publication of CS257836B1publicationCriticalpatent/CS257836B1/cs