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Application filed by Brabec Jan, Smrcka Jindrich, Kase Josef, Miroslav Ing Broulik, Suran PavolfiledCriticalBrabec Jan
Priority to CS872129ApriorityCriticalpatent/CS262927B1/en
Publication of CS212987A1publicationCriticalpatent/CS212987A1/en
Publication of CS262927B1publicationCriticalpatent/CS262927B1/en