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API rotary tricone ntsis IADC617 6 "(152mm) rau kev khawb qhov dej
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Tricone pob zeb ntsis IADC617 8 1/2″ (215.9mm) rau kev khawb qhov dej
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API chaw tsim khoom ntawm tricone pob zeb ntsis IADC617 9 7/8 nti "(250mm)
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Lub Hoobkas API ntawm tricone roller bit IADC617 12 1/4 nti (311.1 hli)
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API lub Hoobkas ntawm cov pob zeb drilling bits IADC617 17 1/2 nti (444.5mm) hauv Tshuag
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TCI tricone ntsis IADC617 6 1/2″ (165mm) rau kev khawb av
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Lub Hoobkas API ntawm TCI tricone ntsis IADC617 5 5/8″ (142.9mm)