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Application filed by Smida Ladislav, Beriac Rudolf, Skripala Jozef, Kamil Ondovcin, Jozef Kolar, Adolf Ing Csc HuckofiledCriticalSmida Ladislav
Priority to CS872434ApriorityCriticalpatent/CS267171B1/en
Publication of CS243487A1publicationCriticalpatent/CS243487A1/en
Publication of CS267171B1publicationCriticalpatent/CS267171B1/en