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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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