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Application filed by Ladislav Kocurek, Jiri Silar, Vaclav Telecky, Frantisek KorinekfiledCriticalLadislav Kocurek
Priority to CS819774ApriorityCriticalpatent/CS231423B1/cs
Publication of CS977481A1publicationCriticalpatent/CS977481A1/cs
Publication of CS231423B1publicationCriticalpatent/CS231423B1/cs