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API TCI triconem petram terebrare frenum IADC417 6″ (152mm) pro bene durum
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API bene exercendis frenum IADC417 12 1/4″(311mm) pro saxo duro
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API tricone terebro frenum IADC437 6″ (152mm) pro bene exercendis
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TCI tricone frenum IADC437 12 1/4″ (311mm) pro bene exercendis
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API officina petrae cylindri conorum frena IADC437 8.5″ ad artem
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Gyratorius terebra frenum IADC447 6.5 dig (165mm)
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API Gyratorius cylindrus terebra frenum IADC517 4.5 inches (114mm) in stock
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Button bit IADC517 118mm pro geothermal bene saxum exercendis.
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API officina rotundi rotundi rotundi IADC517 4 3/4″ (120mm)
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API gyrum Bulla obsignata IADC517 5 1/4″ (133mm) in stock
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Tungsten Carbide Insert saxum EXERCITATIO BIT IADC517 5 7/8″ (149mm)
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API Bene exercendis triconibus frenum IADC517 6″ (152.4mm) pro sale