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Additional information
Institute of Mining, Siberian Branch, Academy of Sciences of the USSR, Novosibirsk. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznkh Iskopaemykh, No. 2, pp. 114–117, March–April, 1970.
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Zakablukovskii, N.G., Pokrovskii, G.N. Concerning a rational scheme of application of percussive loads in drilling. Soviet Mining Science 6, 233–235 (1970). https://doi.org/10.1007/BF02502168
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DOI: https://doi.org/10.1007/BF02502168