Transportation
| Tue 09 Jun 2026
Beijing, June 9 -- China Railway Engineering Services has sought patent for Slurry Shield System. This invention was developed by Yue Yonghai, Mei Yuanyuan, Du Tao, Zhuang Yuanshun, Yang Wenwen, Ma Zhou, Liao Jianchao, Li Zhigang, Yu Zunbo and Liu Guangxin.
The patent application number is CN202511758363 20251127. The patent pu..