rotary drilling and reaming tool for deep blind holes and trainees.

• 1. 一种用于深孔钻镗床的扩孔装置 [P] . 中国专利： CN212598989U . 2021-02-26
• 2. 一种用于加工深孔的扩孔钻 [P] . 中国专利： CN201862825U . 2011.06.15
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  机译： 固定工具，用于钻削和扩孔深孔二和学员。

• 4. BTA DRILL HEAD FOR A DEEP HOLE DRILLING TOOL FOR BTA DEEP HOLE DRILLING AND DEEP HOLE DRILLING TOOL [P] . 韩国专利： KR101829079B1 . 2018-02-13

  机译： 深孔钻头的BTA钻头BTA深孔钻头和深孔钻头

• 5. DRILL HEAD FOR A DEEP HOLE DRILLING TOOL FOR BTA DEEP HOLE DRILLING, AND DEEP HOLE DRILLING TOOL [P] . HUE034643T2 . 2018-02-28

  机译： 深孔钻头的钻头，用于BTA深孔钻头和深孔钻头的钻头

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• 7. Drilling High Precision Holes in Ti6Al4V Using Rotary Ultrasonic Machining and Uncertainties Underlying Cutting Force Tool Wear and Production Inaccuracies [O] . M. A. K. Chowdhury, A. M. M. Sharif Ullah, Saqib Anwar 2017
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• 9. Rotary Drilling and Coring in Permafrost. Part III. Deep Core Drilling, Core Analysis and Bore Hole Thermometry at Cape Thompson, Alaska [R] . Lange, G. R., Smith, T. K. 1972

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