274

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379

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513

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483

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358

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335

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435

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214

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214

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457

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240

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389

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357

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288

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482

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499

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376

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285

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263

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424

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308

• Customized Drill Rod Used in Drilling Rig for Core Sample

468

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405

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490

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379

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368

• PDC Drill Bit 3 1/2" 6 1/2" 8 1/2" 12 1/4" -22" Diamond Drilling Bit/ API Rock Drill Bit for Water/Oilfield/Gas Well Drilling/ HDD, Factory Price

373

• Q Series Drill Rod for Core Drilling

414

• Drilling Bits for Geological Prospecting

337

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406

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474

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447

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254

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482

• Bit

460

• Diamond Core Bits Adapter for M22 to 1-1/4-7