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Multiphase pump protector
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Method of control over hydraulic face motor under face conditions
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Downhole motor reduction gear
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System of oil protection in downhole motor
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Hinged wedge-shaped diverter
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Turbine of turbodrill
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Device for stage cementing of casing pipe
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Test bench for run-in and tests of single-screw pumps
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Turbodrill
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Method and device of protecting multiphase pump
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Bench for running-in and test of hydraulic bottomhole motors
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Oil protection system of downhole motor
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Screw downhole motor
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Chemical injector
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Assemble and disassamble stand of hydraulic downhole motor
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Screw downhole motor
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Core extracting device
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Device intended for cementing casing strings in wells
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Regulator of twist angle with device for control over position of curvature plane of gerotor motor
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RU2351730C1
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Screw downhole motor stator
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