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Uruganda rw'ibice byose by'imashini IADC127 rufite santimetero 158.8 (158.8mm)
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Utanga uduce twa Tricone IADC127 santimetero 190 (7.5 mm)
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Ibice byo gucukura bya API rig IADC127 santimetero 215 (8 1/2 santimetero) ku ibuye rikomeye
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Uduce twa Tricone turi mu bubiko IADC127 santimetero 222 (8 3/4 inches)
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Uduce tw'amenyo y'uruganda rwa API turi mu bubiko bwa IADC127 santimetero 241 (241mm)
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Uduce two gucukura amazi twinshi IADC127 13 5/8 ” (346mm) turi mu bubiko
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Uduce two gucukura sima IADC127 santimetero 120 (120mm)
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Igiti cyo gucukura amariba IADC127 santimetero 98.4 (98.4mm)
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Uruganda rwa Tricone bits IADC127 rufite santimetero 115.9 (4 9/16 mm)
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API tricone drilling IADC127 4 5/8 santimetero (118mm) iragurishwa
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Uruganda rwa Tricone bits IADC127 rufite santimetero 149 (5 7/8 mm) zo gucukura amariba akomeye
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Uruganda rw'ibice bifunze IADC127 rufite santimetero 152 (152mm)