8 1/2 inch Hainaisen populare dimensiuni Tricone Bit / apă bine TCI Tricone biţi/înaltă calitate Tricone burghiu biţi
dimensiuni populare tricone biţi / apă bine TCI tricone biţi/înalt calitate tricone masina de gaurit biţi,Website:, nou dinte oţel biţi, moale si mijlocii formarea/tricone biţi/ei bine de foraj
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83/4" HS642XA API dan ISO baja tubuh PDC bor untuk pengeboran sumur minyak |
PDC DRILL BIT,Website:, BAJA TUBUH DRILL BIT, 6 PISAU BOR, MENENGAH LEMBUT BOR, MINYAK JUGA DRILL BIT, |
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8 1/2 inch Hainaisen népszerű méretben Tricone Bit / víz jól TCI Tricone bit/magas minőségű Tricone fúrófej |
népszerű méretben tricone bit / víz jól TCI tricone bit/magas minőségű tricone fúró,Website:, új acél fogak kicsit, lágy, közepes kialakulása/tric... |
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8 3/4" HM642XA chuyên nghiệp nhà máy trực tiếp cung cấp Pdc khoan chút cho sa thạch khoan than khai thác mỏ Pdc khoan Bit |
than khai thác mỏ pdc khoan bit, Tiger giàn khoan khoan chút, giấy chứng nhận xuất xứ Trung Quốc, pdc khoan chút cho mỏ than |
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121/4HS662XA China Good Quality Diamond Pdc Drill Bit In Good Quality Soft To Medium Soft Formation |
made in china,good quality,diamond pdc drill bit ,coal mining and dam construction,wholsale drill bit |
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121/4 इंच 2015 Hotsale TCI Tricone सा & स्टील दांत Tricone सा & Tricone चट्टान सा |
2015 तक Hotsale TCI Tricone सा &,Website:, स्टील दाँत Tricone सा, Tricone रॉक बिट, प्रमाणित tricone सा |
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