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17 1/2 Inch Steel Tooth Tricone Bit Iadc 127 Alang sa Construction Hole Drilling
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15 1/2 Inch Iadc 127/217 Milled Tooth Tricone Bits Para sa Soft Formation
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14 3/4 Inch Iadc 127 Tricone Drill Bit Steel Mill Tooth Roller Cone Drilling Rig
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12 1/4 Inch Api Stanard Tricone Bit Water Well Steel Tooth Rock Roller Bit Para Ibaligya
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10 5/8 Inch Mill Tooth Tricone Bit Iadc 217 Steel Tooth Drill Bits Tricone Steel Tooth Bit
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9 7/8 Inch Iadc 217 Steel Tooth Tricone Bit nga Gigamit Alang sa Tubig Wells
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8 3/4″ Steel Tooth Triocne Para sa Soft Well Drilling Metal Drill Bit Multi Purpose Drill Bits
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8 1/2 Inch 215.9mm Iadc 127 Steel Tooth Tricone Bit Angay Alang sa Industriya sa Konstruksyon Ug Pagmina
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7 7/8 Inch Iadc 127 Tubig Maayo nga Milled Ngipon Drill Bit
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7 1/2inch 190mm Tci Roller Cone Bit Para sa Medium Hard Formation Water Well Drilling
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6 3/4 Inch Iadc 217 Steel Tooth Tricone Rock Bit Para sa Well Drilling
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3 7/8 Inch Steel Tooth Tricone Bit Iadc Code 127 alang sa humok nga pagporma
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