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4 1/4 pulgada PDC Drag Bit 3 Blades
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6 1/2 pulgada PDC step drag bit 3 Blades para sa hard welll drilling
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API 5 5/8 inches PDC Drag Bit 3 Blades para sa hard formation
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Mababang presyo API 6 Inches PDC step drag bit 3 wings sa stock
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Pabrika ng API na 4 5/8 Inches PDC drag drilling na may 3 Blades
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152mm step drag bit 3 blades para sa geological exploration
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Mababang presyo 360mm step drag bit 3 blades para sa hard formation
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6 na pulgada PDC Drag Bit 4 na pakpak para sa hard well drilling
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AP 98mm step drag bit 3 Blades para sa geothermal drilling
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API 152mm PDC concave rock bit 4 Blades para sa well drilling
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9 7/8″ tungsten carbide PDC Drag Scraper Bit 3 Blades
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4 1/2 Inches PDC Drag Bit 3 Blades para sa oilwelll drilling