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Application filed by Ladislav Brenek, Vaclav Hadrava, Oto Rybar, Marta Fremelova, Jana Javorska, Jan Vidrmert, Jaroslav VeselyfiledCriticalLadislav Brenek
Priority to CS845792ApriorityCriticalpatent/CS241897B1/cs
Publication of CS579284A1publicationCriticalpatent/CS579284A1/cs
Publication of CS241897B1publicationCriticalpatent/CS241897B1/cs