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Application filed by Marian Charvat, Petrik Juraj, Hladik Rastislav, Kastel PavelfiledCriticalMarian Charvat
Priority to CS843225ApriorityCriticalpatent/CS242489B1/cs
Publication of CS322584A1publicationCriticalpatent/CS322584A1/cs
Publication of CS242489B1publicationCriticalpatent/CS242489B1/cs