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Zoo drilling taub hau IADC126 3 7/8 nti (98.4mm) rau pob zeb tawv
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Milled Tooth Bits tsum IADC126 4.5 nti (114mm)
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API laum bts Hoobkas IADC126 4 3/4 nti (120mm)
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API Peb lub khob hliav qab IADC126 4 5/8 nti (118mm) rau qhov zoo drilling
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Tricone khoom rau qhov zoo drilling hauv Tshuag IADC126 6inches (152mm)
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API Tricone laum ntsis IADC126 9.5 nti (241mm) kev muag khoom
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Zoo drilling rig ntsis Hoobkas IADC126 17 1/2 nti (444.5mm)
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Tricone ntsis Hoobkas IADC126 26 nti (660mm)
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API customized laum khoom IADC126 5 1/4 nti (133mm) rau pob zeb tawv
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API zoo drilling taub hau IADC126 7 1/2 nti (190.5mm)
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Sealed Bearing Laum bts IADC126 9 7/8 nti (250mm)
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Tricone laum khoom tsum IADC126 12 1/4 nti (311mm) rau qhov zoo drilling