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Additional information
Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 8, pp. 4–6, August, 1990.
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Grak, D.G., Lebedevich, V.I., Shchedrova, N.E. et al. Investigation of the thermal state of ball valves for a broad range of temperatures of the working medium. Chem Petrol Eng 26, 400–403 (1990). https://doi.org/10.1007/BF01155778
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DOI: https://doi.org/10.1007/BF01155778