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Application filed by Vanko Milan, Glevitzky Edmund, Ilavsky Jan, Novak Frantisek, Karol Ing Jarosek, Tibor Ing Csc Derer, Stefan Rndr SakalosfiledCriticalVanko Milan
Priority to CS843626ApriorityCriticalpatent/CS239820B1/en
Publication of CS362684A1publicationCriticalpatent/CS362684A1/en
Publication of CS239820B1publicationCriticalpatent/CS239820B1/en