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Down-the-hole unbalance vibration exciter for seismic treatment of bottom-hole zone
Serdyukov S.V., Rybalkin L.A., Dergach P.A., Serdyukov A.S., Azarov A.V.
Engineering and analysis of independent movable compression–vacuum percussion source of P-waves in seismic survey
Repin A.A., Tkachuk A.K., Karpov V.N., Beloborodov V.N., Yaroslavtsev A.G., Zhikin A.A.
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