Rotary pathbreaker self-propelled applicable to agriculture, in general and more particularly to the clearing of the drill bits and it is of the strains

• 1. 农业机械—尤其是带有改进型截切装置的旋转式割草机 [P] . 中国专利： CN1303865C . 2007.03.14
• 2. 农业机械—尤其是带有改进型截切装置的旋转式割草机 [P] . 中国专利： CN1564653A . 2005-01-12
• 3. A rotary machine to reclaim self-propelled applicable to agriculture, in general and more particularly to the clearing of the drill bits and it is of the strains of heather and other [P] . 法国专利： FR569154A . 1924-04-08

  机译： 一种可自行恢复的旋转机械，适用于农业，通常更特别地适用于清理钻头以及石楠和其他

• 4. Exchangeable drill bit for a in the case of all types of rock applicable rock rotary drill bit and the drill hammer blow [P] . 德国专利： DE7828522U1 . 1979-02-08

  机译： 可更换的钻头，适用于所有类型的岩石，适用于岩石旋转钻头和冲击锤

• 5. Exchangeable drill bit for a in the case of all types of rock applicable rock rotary impact drill [P] . 德国专利： DE7814642U1 . 1979-02-01

  机译： 可更换的钻头，适用于所有类型的岩石适用的岩石旋转冲击钻

• 1. Rotary Steerable System With Optimized Functionally Integrated System-Specific Drill Bits Reduces Drilling Days and Extends Laterals in Northeastern US Horizontal Shale Plays [C] . Carmel El Hakam, Eric Davis, Andrew Serdy Unconventional Resources Conference Canada . 2014
• 2. Development of New Techniques for Impregnated Diamond Coring Bit Wear Measurement in Conventional Rotary Drilling and Vibration Assisted Rotary Drilling. [D] . Zhang, Wei. 2010
• 3. Precise Drilling of Holes in Alumina Ceramic (Al2O3) by Rotary Ultrasonic Drilling and its Parameter Optimization using MOGA-II [O] . Hisham Alkhalefah 2020
• 4. INFLUENCES OF DRILL BIT WEAR ON DRILLABILITY OF ROTARY PERCUSSION DRILL MACHINE AGAINST ROCK MASS [O] . Tatsuro MURO, Masahiro WATANABE 1988
• 5. Fluid-Dynamic Aspects of the Performance of Diamond Drill Bits Used in Rotary Rock Drilling [R] . Sundaram, T. R. 1982