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Impregnato Core incinta Bursa Core
81/2" HM952XAG chất lượng cao Pdc khoan Bits.drill bit cho Rock Daimond khoan
Horizontal-brocas sinterizadas
Doppio tubo Diamond Core Bit
83/4" HM652XAG profesyonel Pdc Drill Bit tedarikçiler kumtaşı sondaj için
Karbür top Diş elmas bıçakları
Punte in metallo duro
81/2" HM642XG Made In China heiß Verkauf Anschreibung Pdc Bits für Erdöl gut Bohren Bohren
attraversare la punta da trapano
Ngang thiêu kết khoan bit
Broca de aço-dente
Stabilizer verdrehgesichert
Emprenyeli göbek hamile Bursa göbek
9 1/2" HM642XA высокого качества API PDC сверло для нефтяного месторождения китайского производителя
83/4 "HM662XAG تعدين الفحم والسد البناء لحفر آبار النفط بت مثقاب Pdc
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