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API TCI tricone rock bit IADC637 6 3/4″ (171.4mm)
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Rega mata bor API Tricone IADC637 8 1/2” (215.9mm)
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Mata bor kancing putar IADC617 12 1/4 inci (311mm)
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Produsen mata bor tricone API IADC637 12 1/4” (311.1mm)
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Mata bor logam IADC637 14 3/4 ” (374.6mm) kanggo sumur jero
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Mata bor telung kerucut IADC637 17 1/2” (444.5mm)
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Panyedhiya mata bor Tricone IADC637 6,5 inci (165mm) kanggo watu atos
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Mata bor rol putar IADC637 9 7/8” (250.8mm)
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Pabrik API saka Roller cone bit IADC637 3 7/8″ (98mm) ana ing stok
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Panyedhiya mata kancing IADC637 7 7/8” (200mm)
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Mata bor batu API tricone IADC637 9 5/8 ” (244.5mm) ana ing stok
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Mata bor tricone TCI IADC617 6 1/2″ (165mm) kanggo rig pengeboran