9 1/2" HM642XA vysoce kvalitní API PDC vrták pro ropné pole čínského výrobce
čínský výrobce/ropné pole/vysoké kvality/pdc bity/pdc vrtáky
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Dầu khí cơ thể 13 3/4" HM652XAG 5 lưỡi đơn hàng ma trận kim cương Pdc khoan bit |
dầu khí khoan bit dầu giàn khoan khoan chút rock bit cao chất lượng diamond khoan bit hướng khoan |
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83/4" HM952XA 222,2 pulgadas cuerpo de acero del pozo de petróleo Pdc broca Pdc bits |
broca de pdc de pozo de petróleo API estándar, perforación, taladro profesional, broca de diamante, en el pedacito de taladro de china |
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121/4" HM652XA matris vücut PDC Bit / Diamond PDC matkap / PDC çekirdek bit ile püskürtme uçlarını/de petrol sondaj |
matris vücut pdc matkap, petrol kuyusu sondaj, kömür madencilik, elmas gem sondaj sıralaması |
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Mae 91/2"HM652XAG yn cynhyrchu Carbide twngsten corff matrics adenydd pum torrwr diemwnt dril pwyllgor penderfyniadau cynllunio darnau |
Darnau dril pwyllgor penderfyniadau cynllunio cynnyrch i ddrilio cyfeiriad |
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83/4" HM952XA 222.2 tommers stål kroppen oljebrønn Pdc Drill litt Pdc Bit |
oljebrønn pdc borekronen,Website:, API standard, boring, profesjonell borekronen, diamant borekronen, laget i Kina borekronen |
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