81/2"HM652XAG High Performance Pdc Diamond Bits Oil And Gas Drill Bit
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6 "HM362XA 6 listków matrycy ciała olej wiercenia Pdc Wiertła do wiercenia ropy |
diament pdc drill bit /oil field wiercenia 6 ostrze Najlepsza jakość pdc wiercenia/diament bitów rozmiar |
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81/2" HS952XA различен тип и размер на PDC бормашина бита за нефтени кладенци |
масло и сондажни бита, PDC боркорони, PDC остриета свредло, диамантени боркорони PDC, хард рок масло и PDC свредло |
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83/4" HM952XG चीन सर्वश्रेष्ठ Ock ड्रिल बिट्स अच्छी तरह से ड्रिलिंग |
चीन में सबसे अच्छा ड्रिल बिट कर दिया
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Three Wings Inner Concave Non Core PDC Drill Bit |
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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121/4" HS962XA 2015API taż-żejt ukoll PDC taqqab Bit & tal-gass ukoll PDC Drill Bit għall-gass naturali ukoll, qasam ta '' żejt, ilma |
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