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API TCI tricone rock drilling bit IADC417 6″(152mm) for hard well
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API sumur pengeboran bit IADC417 12 1/4″(311mm) kanggo hard rock
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API tricone drill bit IADC437 6″(152mm) kanggo pengeboran sumur
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TCI tricone bit IADC437 12 1/4″ (311mm) kanggo pengeboran sumur
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API pabrik rock roller cones bit IADC437 8.5″ kanggo pengeboran
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Mata bor Rotary IADC447 6,5 inci (165mm)
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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