337

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402

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383

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305

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391

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341

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235

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361

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330

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285

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331

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504

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501

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280

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277

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392

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255

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358

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311

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366

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506

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252

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499

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377

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259

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318

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317

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382

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491

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488

• High-Performance Bit Drill Core Bit for Clay and Hard Sandstone

301

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221

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353

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365

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414

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