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API Rotary roller bor bit IADC517 4,5 inci (114mm) ing Simpenan
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Button bit IADC517 118mm kanggo geothermal well rock ngebur.
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Pabrik API saka rotary roller bit IADC517 4 3/4″ (120mm)
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Tombol rotary API disegel bit IADC517 5 1/4″ (133mm) ing saham
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Tungsten Carbide Insert bit pengeboran batu IADC517 5 7/8″ (149mm)
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API sumur pengeboran tricone bit IADC517 6″(152.4mm) for sale
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Mata bor rol tricone IADC517 6 1/4″ (159mm)
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bit tombol rock disegel TCI IADC517 6 1/2″ (165mm) kanggo pengeboran sumur
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TCI tricone bit IADC517 7 1/2″ (190mm)
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Deep Well Tricone Bit IADC517 7 7/8 inci (200mm)
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API Tricone Bit IADC517 8.5 inci (215.90mm)
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Bit pengeboran API Tricone IADC517 8 3/4 inci (222mm) ing saham