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Application filed by Ladislav Rysavy, Petr PavlisfiledCriticalLadislav Rysavy
Priority to CS822914ApriorityCriticalpatent/CS231816B1/en
Publication of CS291482A1publicationCriticalpatent/CS291482A1/en
Publication of CS231816B1publicationCriticalpatent/CS231816B1/en