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9 7/8 Inch Iadc 217 Nify vy Tricone Bit Fampiasana...
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32mm 34mm 38mm 40mm bokotra tapered rock drill b...
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Vidiny mora tapered Rock Button Bits Mining Sto...
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34mm taper drill bit bokotra bits tapered rock d...
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NQ impregnated diamondra core bit
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China diamondra fandavahana bitika ho an'ny nq core barika