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API faktori nan TCI tricone biit IADC637 6 "(152.4mm) nan stock
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API TCI tricone wòch ti jan IADC637 6 3/4″ (171.4mm)
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API Tricone ti jan pri IADC637 8 1/2 "(215.9mm)
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Rotary bouton fè egzèsis ti jan IADC617 12 1/4 pous (311mm)
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API tricone drill bits manifakti IADC637 12 1/4 "(311.1mm)
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Metal sele fè egzèsis ti jan IADC637 14 3/4 "(374.6mm) pou pi gwo twou san fon
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Twa kòn ti jan IADC637 17 1/2 "(444.5mm)
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Tricone Bits founisè IADC637 6.5 pous (165mm) pou wòch difisil
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Bits roulo Rotary IADC637 9 7/8 "(250.8mm)
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TCI tricone ti jan IADC417 17.5″(444.5mm)
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Tricone wòch ti jan IADC417 8 1/2 "(215.9mm)
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TCI tricone ti jan IADC447 8 1/2 pous (215.9mm)