81/2" HS952XA annen Type og størrelse på PDC bor For olje og boring
oljebrønn boring biter,Website:, PDC borekroner, PDC blad borekronen, Diamond PDC borekroner, Hard Rock oljebrønn PDC borekronen
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121/4" HM 952XAG Shaanxi Hainaisen Diamond Pdc Bit tarnijate Oil Well Pdc puurimine bitti |
drill bit määra bitti drill Hiina volframkarbiidi drill bitti rock puuriterad
Diamond pdc drill bit |
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121/4" HM952XA lwil geri PDC sèvi ak machin moso gaz byen PDC Coring moso PDC moso |
forage chabon,Website:, wòch sèvi ak machin pyès, seri sèvi ak machin pyès, dyaman forage moso, ka konnen si yon moun moso |
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13 3/4" HM652XAG 5 lâmina única linha Matrix corpo petróleo Pdc brocas de diamante |
petróleo broca pedaços óleo equipamento broca bit rocha pouco alta qualidade diamante perfuração perfuração direcional de pedaços |
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81/2" HM662XA vysoce kvalitní PDC diamantový vrták Bit PDC vrták pro vrtání ropy |
vysoce kvalitní pdc diamantový vrták, těžbu ropy, standstone rock pdc vrtáku, pro prodej vrtáků, vyrobené v Číně vrtání |
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PDC Three Wings With Inner Concave Drill Bits,diameter 28mm-270mm |
Diamond compact (PDC) drill bits, diamond compact as the main cutting element, by scraping principle of shear rock broken, apply to soft - in hard ... |
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