91/2" HM652XAG producerer wolframcarbid fem vinger Matrix krop Diamond Cutter Pdc Drill Bits
PDC borehoveder produkt til retning boring
Website:
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121/2" HM662XAG Oilfield สว่านบิตสำหรับก่อยากเจาะหินทราย |
pdc บิต manuacturer pdc เจาะบิตไดมอนด์ pdc สว่านบิต pdc สว่านบิตแทรก |
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Diamond Core borekronen |
Våre PDC olje boring bit / olje & gass drill bit,Website:, som alle brukes for boring oljefelt. Sammenlignet med stål kroppen biter, er matrix krop... |
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83/4" HM962XA 5 čepeľ Matrix telo vysokú kvalitu a konkurencieschopné ceny Rock Diamond pre plyn vŕtanie |
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121/4 inch 2015 Hotsale TCI Tricone Bit & Steel zubní Tricone Bit & Tricone Rock Bit |
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