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Application filed by Ludek Ing Pohorelsky, Jaroslava Ing Homolacova, Vanicek JirifiledCriticalLudek Ing Pohorelsky
Priority to CS885528ApriorityCriticalpatent/CS268470B1/en
Publication of CS552888A1publicationCriticalpatent/CS552888A1/en
Publication of CS268470B1publicationCriticalpatent/CS268470B1/en