8 1/2 tommers Hainaisen populære størrelser Tricone Bit / vann godt TCI Tricone biter/høy kvalitet Tricone Drill Bit
populære størrelsene tricone bit / vann godt TCI tricone biter/høy kvalitet tricone borekronen,Website:, nye stål tann bit, myk og mellomstore formasjon/tricone bit/boring
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121/4"HM952XA PDC Bits For Coal Mine Drilling PDC Drill Bits For Water Well Drilling |
coal mine ,steel body,manufacturer drill bit,pdc drill bit ,diamond drill bit,sandstone drilling ,oil drill bit |
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Diamond-Core poranterä |
PDC öljyn poraus vähän / öljy/Teachers & kaasun poraa, joissa kaikissa käytetään poraus öljykenttä. Verrattuna teräsrunko bittiä, matrix elin on en... |
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83/4" HM962XA lama 5 Matrix corpo alta qualità e prezzo competitivo Rock Diamond per la perforazione di Gas |
Foratura, pdc bit a bit PDC, PDC trapano, matrice corpo, formazione di arenaria, olio e gas di perforazione, diamante |
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6 "HM362XA ใบพัด 6 เมทริกซ์ตัวน้ำมันเจาะสว่าน Pdc บิตสำหรับฟิลด์น้ำมันเจาะ |
ไดมอนด์ pdc สว่านบิต /oil field เจาะ/pdc คุณภาพดี 6 ใบมีดเจาะเพชรขนาดบิต |
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121/4" HM 952XAG Shaanxi Hainaisen Diamond Pdc bits leveranciers oliebron Pdc boren Bits |
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