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Application filed by Marian Ing Seliga, Jozef Ing Karvas, Ignac Ing Kusnier, Ladislav Ing Tomaj, Jozef TisajfiledCriticalMarian Ing Seliga
Priority to CS841028ApriorityCriticalpatent/CS250554B1/cs
Publication of CS102884A1publicationCriticalpatent/CS102884A1/cs
Publication of CS250554B1publicationCriticalpatent/CS250554B1/cs