Type of energy-absorbing rock bolt device with umbrella-shaped structure

Assignee

• Institute Of Geology And Geophysics, Chinese Academy Of Sciences

Inventors

• Songfeng Guo (17 patents)
• Shengwen Qi (18 patents)
• Shishu Zhang (1 patents)
• Xingdong Ma (1 patents)
• Guoqing Yuan (6 patents)
• Xiuhua Wang (2 patents)
• Bowen Zheng (30 patents)
• Yu Zou (116 patents)
• Xiaolin Huang (19 patents)
• Ning Liang (11 patents)
• Hang Li (22 patents)
• Yubo Liu (7 patents)
• Jianxian He (1 patents)
• Xianglong Yao (1 patents)
• Daping Tai (1 patents)
• Guangming Luo (10 patents)

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