83/4" HS642XA API og ISO stål organ PDC borehoved til oliebrønde boring
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83/4" 652XA PDC дриль Bits з 5 леза для продажу карбіду вольфраму PDC свердел для нафтової свердловини |
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Tricone Bit Roller Bit Drll Bit |
tricone bit,roller bit,water well drilling,water well drilling equipment,rotary drilling |
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91/2" HS952XA guter Qualität API Spezifikationen niedrigsten Preis Petroleum Stahlkörper PDC-Bohrer |
Stahlkörper Bohren, gute Qualität, niedrigster Preis, Petroelum-Bohrer, Hard-Rock-Bohrer, Bits, Pdc-Bohrer, Diamant-Bohrer Bohren Stein |
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91/2" HS662XA Cina fornitura fatta corpo in acciaio diamante Core utilizzato Pdc Drill Bit vendita In buone condizioni |
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121/4 pous 2015 Hotsale TCI Tricone pike & dan fe Tricone moso & Tricone Rock kras |
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