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Application filed by Novak Antonin, Plechacek Vaclav, Necas MiroslavfiledCriticalNovak Antonin
Priority to CS849104ApriorityCriticalpatent/CS242028B1/en
Publication of CS910484A1publicationCriticalpatent/CS910484A1/en
Publication of CS242028B1publicationCriticalpatent/CS242028B1/en