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High Clearness Speed HDD Hole Openers 4 Wings PDC Drag Bit ISO9001 Standard
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Small Water Well Drilling Rig / XY-1A Portable Rock Drilling Machines
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St 200 Pneumatic Water Well Drilling Deep Hole Blasting Rocky Area Equipment
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Two Hundred Meters Borehole Pneumatic Drilling Rig Equipment For Deep Hole Blasting
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Steel Body 3 Wings Non Coring Drill Pdc Bit With 3 1/2 Inch Reg Thread
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Large Torque High Speed Pneumatic Drilling Rig For Civil Water Borehole
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Professional Core Drill Rig XY-2B Diesel Power Type For Geological Investigation
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73mm DZ240 Core Barrel Core Tube Drilling Rod For Core Drilling API ISO9001
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