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8.5 amayintshi amabhithi e-cone roller eyodwa IADC537G ye-HDD yokubhola idwala
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I-API 8.5 amayintshi i-tricone thirds roller bit for rotary drilling rig
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Imboni yaseChina engu-4 3/4″ i-API roller bit palm yombhobho ophakathi esitokweni
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14 3/4 amayintshi amasegimenti we-tricone bit amabhithi ekhoni wesisekelo sokunqwabelanisa
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I-API 12 1/4 amayintshi i-tricone bit cutter ye-core barrel esitokweni
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I-Foundation Replaceable Type Single Cone Bit Yebhakede Lokubhoboza I-Rotary Drilling Rig
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Imboni ye-API ye-185mm TCI trione cutter ye-hard rock coring
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Imboni ye-API ye-TCI roller cutter ye-rotary piling drilling rig
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I-Metal-face sealed bearing roller cone bit yesisekelo esiqinile
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Ibhithi yekhoni yerola yezinyo ejikelezayo eyodwa yokumba ubunjiniyela
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Izingcezu ze-API zamazinyo ezingahleliwe zomshini wenqwaba yesisekelo
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Imboni ye-API ye-Roller Cone Bit eshintshwayo ene-Flange yokubhoboza kwe-HDD