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I-inner tube wireline core barrel
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7,11,12 Tapered Degree Quality Taper Cross Bit
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Umugqa wocingo wedayimane lokubhoboza induku ye-casing tubes c...
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Ama-Core bit kanye namagobolondo okubuyisela kabusha
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14 3/4 Inch Iadc 127 Tricone Drill Bit Steel Mi...
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I-6 Inch Pdc Drilling Bit Enama-4 Blades Kawoyela W...