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Application filed by Kastel Pavel, Marian Charvat, Petrik JurajfiledCriticalKastel Pavel
Priority to CS829106ApriorityCriticalpatent/CS231790B1/en
Publication of CS910682A1publicationCriticalpatent/CS910682A1/en
Publication of CS231790B1publicationCriticalpatent/CS231790B1/en