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Geological Drill Rod


Spiral Geological Drill Rod


Prismatic Drill Rod


Triangular Heavy Duty Grooved Drill Pipe


Triangular High Pressure Type Hydraulic Coal Cutting Drill


High Efficiency Spral Drill Rod


Rib Drill Pipe


Body Rib Drill Pipe


Coal Drill Rod/Horizontal Anchor Rod


Anchor Drill Rod; Drill Rod Matching Air-power Drilling Machine; Integral Drill Rod


DTH Drill Bit


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Time of issue:2019-12-12 00:00:00
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Time of issue:2019-10-24 00:00:00
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