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Pabrik API tina Roller congcot bit IADC637 3 7/8 "(98mm) di stock
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Button bit supplier IADC637 7 7/8 ” (200mm)
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API tricone rock bits IADC637 9 5/8 ” (244.5mm) dina stok
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TCI tricone bit IADC617 6 1/2″ (165mm) pikeun rig pangeboran
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Pemasok API bit pangeboran sumur batu jero IADC537 9 5/8″(244.5mm)
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Tombol bit API TCI IADC537 9 7/8″(250mm) pikeun pangeboran sumur batu keras
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Bit Tombol Rotary IADC537 3 7/8″ (98mm)
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Tricone Bits IADC537 4 5/8″ (118mm)
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Mata bor Tricone IADC537 4 3/4″ (120.6mm)
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API tricone rock bit IADC537 5 1/4″ (133mm)
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API batu bor bit IADC537 5 1/2 "(139,7 mm) pikeun sumur teuas
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API bor bit IADC537 5 5/8″ (142.9mm)