121/2" HM662XAG Oilfield foret pour la Formation dure forage de grès
fabrication de morceaux de PDC pdc forage bits diamant pdc drill bits pdc drill bit insertions
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121/4 inch 2015 Hotsale TCI Tricone chút & thép răng Tricone Bit & Tricone Rock Bit |
2015 Hotsale TCI Tricone Bit &, thép răng Tricone Bit, Tricone Rock Bit, bảo đảm tricone bit |
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91/2" HM652XA Čína dodavatel 2015 Hotselling PDC Vrtáky pro geologický průzkum Oilfield |
Vysoce kvalitní EPH vyvrtejte Bit /oil vrták bit/standardní vrtání pdc drill bit / vrtné soupravy |
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12 1/4" HS652XA Steel Body Pdc Diamond Bits Sizes/API Oil Well Pdc Drill Bit |
steel body,pdc drill bit ,diamond drill bit,5 blade drill bit,single row drill bit,sandstone drilling |
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81/2" HS952XA jiný typ a velikost PDC vrták pro vrtání ropný vrt |
vrtné bitů, PDC vrtáky, PDC ostří vrtáků, vrtáky diamant PDC, Hard Rock ropný vrt PDC vrták |
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81/2" HM952XG Matrix Body Single Row New Oil Well Rock Bit |
H-HNS M-MATRIX 9-CUTTER 19 5-5 BLADE 2-Prefecture-level hierarchical X-SINGLE ROW G-PDC CUTTER MADE IN CHINA |
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