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Application filed by Novak Ivan, Berek Dusan, Jehlar Peter, Ladislav Ing Csc AbrahamfiledCriticalNovak Ivan
Priority to CS844107ApriorityCriticalpatent/CS239831B1/en
Publication of CS410784A1publicationCriticalpatent/CS410784A1/en
Publication of CS239831B1publicationCriticalpatent/CS239831B1/en