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attraversare la punta da trapano
BitsPDC de broca PDC multi-estágio torre
6"HM352XA PDC Drill Bits PDC Oil Rig Drill Bit For Oil Exploration Diamond Pdc Drill Bit
Stahl-Matrix-Pdc-Bohrer
Kömür kaya matkap
83/4"HM952XAG Tough-Drill Bits Professional Diamond Pdc Drill Bit For Hard Rock Drilling
6"HM332XG PDCdrill Bit For Geotechnical Drilling And Coal Mining
83/4 "HM662XAG تعدين الفحم والسد البناء لحفر آبار النفط بت مثقاب Pdc
Fresagem de brocas
Sostituibile Sleeve stabilizzatore
Merdiven tipi sürükle Bit
83/4" HM662XAG khai thác mỏ than và đầm xây dựng cho giếng khoan khoan Pdc Bit
Сменные втулки стабилизатора
Outils de fraisage
Drei Anker Bit
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