121/4 tollise TCI Drill Bit/Insert Tricone Rotary Bit, vett hästi puurimisseadmed
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81/2 «HM952XAG высокое качество Pdc дрель Bits.drill битов для рок проживает Daimond бурения, микс резец Pdc долота |
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hard rock drill bit,stone drilling bits ,pdc drill bit,diamond drill bit |
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jen yIqaw /pdc qeq bits ghap oil vISujlu'be' pdc bit ghap Separ bit /water vISujlu'be' let nagh |
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H-HNS M-MATRİS 6-kesici 6 4-4 bıçak 2 il düzeyi hiyerarşik X-tek sıra G-PDC kesici yapılan Çin |
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