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Haste de perfuração geológica
Pedacito de taladro de roca de carbón
Estabilizador de luva substituível
Karbür matkap
Costela de dois-escada PDC dielétrico bocados de broca
81/2" HM642XG Made In China Hot Sale Daimond Pdc Drilling Bits For Petroleum Oil Well Drilling
Thay thế ống ổn định
DTH Hammer
Than đá khoan Bit
81/2" HM952XAG, Bits.drill haute qualité Pdc Drill Bits pour Rock loic forage
Vỏ ống
6"HM332XG PDCdrill Bit For Geotechnical Drilling And Coal Mining
83/4" HM652XAG Professional Pdc trapano fornitori per la foratura di pietra arenaria
Bậc thang loại kéo Bit
Stabilizer verdrehgesichert
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