Comparative evaluation of the effectiveness of the system of transport of coolant based on coaxial tubes за авторством V. H. Demchenko, O. V. Duniak, O. V. Yevtushenko

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Perspectives of using coaxial pipes as a new way of the heat carrier transportation in central heating systems за авторством N. A. Rakytianska, O. V. Yevtushenko, O. V. Duniak, V. H. Demchenko

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