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Bits perçage pri ki ba IADC217 14 3/4 pous (374mm) pou wòch difisil
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wholesale Bits perçage IADC217 17.5 pous (444.5mm)
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Tricone drill bits IADC114 15.5 pous (394mm) nan stock
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Steel dan tricone ti jan faktori IADC114 17.5 pous (444.5mm)
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Siman ploge perçage Bits IADC127 4 3/4 pous (120mm)
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API Customized drill bits IADC126 5 1/4 pous (133mm) pou wòch difisil
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Moulen moso dan pou perçage byen IADC215 17.5 pous (444.5mm)
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API tricone drill bits price IADC216 4 5/8 pous (118mm)
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Deep well tricone Bits IADC216 6 pous (152mm)
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API drilling rig bits founisè IADC216 5 3/4 pous (146mm)
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API triocne perçage IADC125 17 1/2 pous (444.5mm)
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API byen perçage tèt IADC126 7 1/2 pous (190.5mm)