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  1. 1
    Optimal Design Parameters of a Percussive Drilling System for Efficiency Improvement

    Optimal Design Parameters of a Percussive Drilling System for Efficiency Improvement by Changheon Song, Jintai Chung, Jae-Sang Cho, Yun-Joo Nam

    Published 2018-01-01
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  2. 2
    Prediction Model of Drilling Performance for Percussive Rock Drilling Tool

    Prediction Model of Drilling Performance for Percussive Rock Drilling Tool by Dae-Ji Kim, Jaewon Kim, Booyeong Lee, Min-Seok Shin, Joo-Young Oh, Jung-Woo Cho, Changheon Song

    Published 2020-01-01
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