I. S. Afanasʹev · 5 obras en el catálogoObrasNNovai︠a︡ tekhnika i progressivnai︠a︡ tekhnologii︠a︡ na burovNovai︠a︡ tekhnika i progressivnai︠a︡ tekhnologii︠a︡ na burovykh rabotakh v Severo-Zapadnom TGUPPorodorazrushai︠u︡shchiĭ instrument, armirovannyĭ prirodnymiPorodorazrushai︠u︡shchiĭ instrument, armirovannyĭ prirodnymi almazamiSSovershenstvovanie metodov i tekhnicheskikh sredstv podgotovSovershenstvovanie metodov i tekhnicheskikh sredstv podgotovki geologicheskikh prob k issledovanii︠a︡mSSuntaar kooperatordaraSuntaar kooperatordaraOOpyt skorostnogo geologorazvedochnogo burenii͡a︡Opyt skorostnogo geologorazvedochnogo burenii͡a︡
NNovai︠a︡ tekhnika i progressivnai︠a︡ tekhnologii︠a︡ na burovNovai︠a︡ tekhnika i progressivnai︠a︡ tekhnologii︠a︡ na burovykh rabotakh v Severo-Zapadnom TGU
PPorodorazrushai︠u︡shchiĭ instrument, armirovannyĭ prirodnymiPorodorazrushai︠u︡shchiĭ instrument, armirovannyĭ prirodnymi almazami
SSovershenstvovanie metodov i tekhnicheskikh sredstv podgotovSovershenstvovanie metodov i tekhnicheskikh sredstv podgotovki geologicheskikh prob k issledovanii︠a︡m