Literature cited
B. T. Sitnikov, I. B. Matveev, and V. N. Denisov, Inventors' Certificate 285429, Otkrytiya, Izobret., Prom. Obraztsy, Tovarnye Znaki, No. 33 (1970).
Additional information
Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 3, pp. 41–43, March, 1974.
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Sitnikov, B.T., Matveev, I.B. & Denisov, V.N. A two-stage automatic-throttling safety valve. Chem Petrol Eng 10, 279–281 (1974). https://doi.org/10.1007/BF01145612
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DOI: https://doi.org/10.1007/BF01145612