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Mpamatsy API amin'ny fandavahana lavadrano vato lalina IADC537 9 5/8″(244.5mm)
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API TCI bokotra IADC537 9 7/8″(250mm) ho an'ny fandavahana lavadrano vato mafy
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Bibikely mihodina IADC537 3 7/8″ (98mm)
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Bibikely fandavahana Tricone IADC537 4 3/4″ (120.6mm)
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Fandavahana API tricone IADC537 14 3/4″ (374mm) ho an'ny vatolampy mafy
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Bitika Tricone IADC537 4 5/8″ (118mm)
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API tricone rock bit IADC537 5 1/4″ (133mm)
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Fandavahana vatolampy API IADC537 5 1/2” (139.7 mm) ho an'ny lavadrano mafy
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Bibikely fandavahana API IADC537 5 5/8″ (142.9mm)
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Fandavahana karbida tungstène haingam-pandeha IADC537 5 7/8″ (149mm)
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Bibikely vato Tricone IADC537 6 santimetatra (152.4 mm)
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Bit tricone mihodina IADC537 6 1/4 santimetatra (159 mm)