Construction
| Wed 24 Dec 2025
Beijing, Dec. 24 -- Northeastern University has sought patent for Testing Device and Method for Milltailing Backfilling Open Pit Induced Boundary Pillar Damage. This invention was developed by Gu Xiaowei, Zhu Zhenguo, Xu Xiaochuan, Wang Hao, Wang Qing, Wang Yanjie, Zhao Yunqi, Zhong Yuxiang, Li Chao, Wu Zhiyuan and Dong Yajun.
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