121/4 pollici 2015 Hotsale TCI Tricone Bit & acciaio dente Tricone Bit & Tricone roccia un po'
2015 Hotsale TCI Tricone Bit &, acciaio dente Tricone Bit, Bit di roccia tricono, po tricone Certified
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81/2" HM662XA alta qualidade PDC Diamond Drill Bit PDC broca para perfuração de petróleo |
bocado de broca de diamante de pdc de alta qualidade, perfuração de petróleo, standstone rocha pdc broca, para broca de venda, feita na china de pe... |
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83/4" HM662XA PDC proceduru malo, PDC Cutter za rudarske mašine karbid bitova/naftno polje PDC proceduru bita/bušenje montira PDC burgije |
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121/4" HM652XA matriks tubuh PDC Bit / Diamond PDC bor / PDC Core bit dengan nozel/minyak pengeboran sumur |
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PDC kahe-trepp ribi Coring puuriterad |
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