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Produsén bit Tricone IADC127 4 9/16 inci (115.9mm)
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Pabrik bit Tricone IADC127 5 7/8 inci (149mm) pikeun pangeboran sumur teuas
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Pabrik bor sakabeh IADC127 6 1/4 inci (158.8mm)
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Pemasok bit Tricone IADC127 7,5 inci (190mm)
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Bit pangeboran di stock IADC127 7 7/8 inci (200mm)
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API rig pangeboran bit IADC127 8 1/2 inci (215mm) pikeun hard rock
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Bit Tricone dina saham IADC127 8 3/4 inci (222mm)
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API ngagiling bit huntu dina stock IADC127 9,5 inci (241mm)
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Diskon tricone bits IADC127 9 5/8 ” (244.5mm)
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Puteran sirah pikeun rig IADC127 9 7/8 ”(250.8mm)
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3 congcot roller bit IADC127 11 5/8 ”(295mm)
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Bit pangeboran sumur jero IADC127 13 5/8 "(346mm) dina stok