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Application filed by Pavel Sladek, Bretislav Ing Tempir, Milan Ing Krajca, Jaroslav Mikeska, Jehlar Peter, Oswald AntonfiledCriticalPavel Sladek
Priority to CS882581ApriorityCriticalpatent/CS271815B1/en
Publication of CS258188A1publicationCriticalpatent/CS258188A1/en
Publication of CS271815B1publicationCriticalpatent/CS271815B1/en