413

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392

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407

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212

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514

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515

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341

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287

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477

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361

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447

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236

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257

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211

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292

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325

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407

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307

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242

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324

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381

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386

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288

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444

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303

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295

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511

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363

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279

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294

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313

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391

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341

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331

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418

• Core Barrel Overshot Nq, Pq, Bq, Hq