121/4" HM652XA matricu telo PDC ugrizao / Diamond PDC burgiju / PDC jezgra bitova sa mlaznice/pa bušenje nafte
Matrica telo pdc burgiju, ulje pa bušenje, ugalj, rudarstvo, rangiranje bitni dijamant bušenje
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91/2" HS652XA stål organ Pdc Drill Bit For vand godt Hard Rock og hård sten boring |
hard rock borehoved,Website:, sten boring bits, pdc borehoved, diamond borehoved |
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121/4"HM952XA 기름 잘 PDC 드릴 비트 가스 잘 PDC PDC 비트 유선 |
석탄, 바위 드릴 비트, 시리즈 드릴 비트, 비트, 전원 도구 비트를 시추 하는 다이아몬드 드릴링 |
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pdc drill bit for sandstone drilling |
oil &gas exploration tricone bit,well drilling mine drilling,china wholesale, hard formation water well drilling
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83/4" HM952XG چین بہترین اک ڈرل بٹ بھی ڈرلنگ |
چین بہترین ڈرل بٹ میں بنا دیا |
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121/4" HM 952XAG Shaanxi Hainaisen diamant Pdc mica proveïdors de pous de petroli Pdc Bits de perforació |
broca posar trossos Xina carbur de tungstè trepant miques Roca trepant broques
broca de diamant pdc |
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