81 yaan 2 "HM652XG China fabrica chéen nal broca u perforación petróleo
H ti'-SNP M-matriz u corte 6 16 5-5 le' 2-prefectura-nivel jerárquico chéen X fila G-PDC cortador betaji' ti' CHINA
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bocados de perfuração PDC pedaços manuacturer pdc pdc bocados de broca pdc broca bit inserções de diamante |
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PDC boren bits / matrix lichaam pdc bits/pdc boor bit diamond
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Ychydig dril pwyllgor penderfyniadau cynllunio ansawdd /oil dril ychydig/safon uchel dril pwyllgor penderfyniadau cynllunio did / drilio rig ddrilio |
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kol gruva,Website:, stål, tillverkaren borr, PDC-borr, diamant borr, sandsten borrning, olja borr |
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H-HNS M-matriz 6-cortador 16 5-5 lâmina 2-prefeitura-nível hierárquico X-SINGLE ROW G-PDC cortador feita na CHINA |
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