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Application filed by Novak Josef, Vaclav Forejt, Jan Ing ZvanovecfiledCriticalNovak Josef
Priority to CS836788ApriorityCriticalpatent/CS273436B1/en
Publication of CS836788A1publicationCriticalpatent/CS836788A1/en
Publication of CS273436B1publicationCriticalpatent/CS273436B1/en