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Elmas çekirdek matkap
لولبية قضيب الحفر الجيولوجية
81/2" HM952XAG Bits.drill di alta qualità Pdc Drill bit per Rock Daimond foratura
Broca de metal duro
Punte di trivello di alesatura
Broca de aço-dente
Thép ma trận Pdc khoan Bit
Stahl-Zahn-Bit
Cacbua bóng răng kim cương lưỡi
Xoắn ốc khoan địa chất Rod
Forets frittés horizontal
Çift sıra Pdc Drill Bit
Геологические буровой штанги
PDC Arc carottage avec mèches
برج متعدد المراحل PDC الحفر بيتسبدك
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