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Self-moving pipe pushing and pulling device
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Novel push-pull pipe device
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Omnidirectional push-pull pipe device
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A kind of all-hydraulic contra-aperture device of Pipe installing dip-adjustable type
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A kind of large-scale pipeline long range power-assisted returns and drags equipment
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A kind of helicoid hydraulic motor hot environment simulator
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A kind of air distributing device
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A kind of horizontal directional drilling machine adjustable hydraulic supporting frame
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A kind of wired guiding gas injection slag-draining device
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A kind of propulsion device and method
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CN110454615A
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A kind of pipeline push-and-pull cohesion device
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A kind of holding tube folder and continuous pipe-conveying device
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A kind of two-way continuous push-and-pull pipe device
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CN110454086A
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A kind of method and device of high angle hole down-the-hole drilling steering
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Double-shaft concentric reversal speed reducing device
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CN110424957A
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One kind is with brill electromagnetic wave azimuthal resistivity measuring instrument
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Drilling tool with drill rod not subjected to force spinning
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Self-propelled drill pipe tool
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Vibrate self-pressurized system
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Reaming system
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