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NQ Impregnated Diamond Bit Wedge type Good Fluid evacuation
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High Reliability Impregnated Diamond Core Drill Bits DCDMA BC NC NC3 HC HC3 PC3
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Hdd 70x6.5mm 3m Long Drill Pipe Casing ISO Passed
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BW Impregnated Diamond Core Bit 6mm 8mm 10mm 12mm For Geological Survey
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HQ Standard W profile Impregnated Drill Bits C14 for mineral exploration
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Impregnated Diamond Core Drill Bit N H P High Efficiency With Long Working Life
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Wireline Sythetic Diamond Impregnated Drill Bit With ISO9001 Certification
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NWL HWL PWL Impregnated Imp Diamond Core Bit For Mining Exploration
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