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Ubos nga presyo sa drilling bits IADC217 14 3/4 pulgada (374mm) alang sa gahi nga bato
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pakyawan nga drilling bits IADC217 17.5 pulgada (444.5mm)
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Tricone drill bits IADC114 15.5 pulgada(394mm) sa stock
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Steel ngipon tricone bit pabrika IADC114 17.5 pulgada(444.5mm)
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Cement plug drilling bits IADC127 4 3/4 pulgada (120mm)
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API customized drill bits IADC126 5 1/4 pulgada (133mm) alang sa gahi nga bato
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Mill tooth bits para sa well drilling IADC215 17.5 ka pulgada (444.5mm)
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API tricone drill bits nga presyo IADC216 4 5/8 pulgada (118mm)
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Deep well tricone bits IADC216 6 pulgada (152mm)
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API drilling rig bits supplier IADC216 5 3/4 pulgada (146mm)
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API triocne drilling IADC125 17 1/2 pulgada (444.5mm)
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API well drilling head IADC126 7 1/2 pulgada (190.5mm)