References
Inventor's Certificate 261055 USSR, IPC 47 f 22/30. Hydraulic Circulation System with Dual Face Seals [in Russian].
Russian Federation Patent No. 2004852, class F04 D 7/02. Centrifugal Pump for Corrosives and Light Hydrocarbons [in Russian].
Additional information
Translated from Khimicheskoe i Neftyannoe Mashinostroenie, No. 6, pp. 34–37, November–December, 1996.
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Zakharov, B.S., Sviridov, V.P. Incrasing the air-tightness of liquefied-gas pumps. Chem Petrol Eng 32, 574–579 (1996). https://doi.org/10.1007/BF02416682
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DOI: https://doi.org/10.1007/BF02416682