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17 1/2 ນິ້ວ Steel Tooth Tricone Bit Iadc 127 ສໍາລັບການກໍ່ສ້າງເຈາະຮູ
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15 1/2 ນິ້ວ Iadc 127/217 Milled Tooth Tricone Bits ສໍາລັບການສ້າງແບບອ່ອນໆ
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14 3/4 ນິ້ວ Iadc 127 Tricone Drill Bit Steel Mill Tooth Roller Cone Drilling Rig
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12 1/4 ນິ້ວ Api Stanard Tricone Bit Water Well Steel Tooth Rock Roller Bit For Sale
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10 5/8 ນິ້ວ Mill Tooth Tricone Bit Iadc 217 Steel Tooth Drill Bits Tricone Steel Tooth Bit
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9 7/8 ນິ້ວ Iadc 217 Steel Tooth Tricone Bit ໃຊ້ສໍາລັບນ້ໍາດີ
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8 3/4″ Steel Tooth Triocne ສໍາລັບ Soft Well drilling Metal Drill Bits ເຈາະເຈາະອະເນກປະສົງ
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8 1/2 ນິ້ວ 215.9mm Iadc 127 Steel Tooth Tricone Bit ເຫມາະສໍາລັບອຸດສາຫະກໍາການກໍ່ສ້າງແລະການຂຸດຄົ້ນບໍ່ແຮ່
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7 7/8 ນິ້ວ Iadc 127 Water Well Milled Tooth Drill Bit
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7 1/2inch 190mm Tci Roller Cone Bit for Medium Hard Formation Water Drilling
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6 3/4 ນິ້ວ Iadc 217 Steel Tooth Tricone Rock Bit For Well Drilling
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3 7/8 ນິ້ວ Steel Tooth Tricone Bit Iadc ລະຫັດ 127 ສໍາລັບການສ້າງແບບອ່ອນໆ
