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83/4 "HM652XAG مثقاب Pdc المهنية بت الموردين للحفر الرملي.
81/2" HM952XAG Bits.drill di alta qualità Pdc Drill bit per Rock Daimond foratura
Сменные втулки стабилизатора
Haste de perfuração geológica
مثبت بليد لا يتجزأ
Спираль геологической буровой штанги
Угольная буровая коронка, рок
Échelle Type Drag Bit
PDC multi-étape Tour perceuse BitsPDC
Nút Bit
83/4" HM652XAG профессиональный Pdc сверло поставщиков для бурения песчаника
Broca de metal duro
Vỏ ống
atravessar o bocado de broca
Kim cương lõi khoan Bit
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