Tools and Machinery
| Mon 01 Jun 2026
Beijing, June 1 -- Sichuan University has filed a patent application for Pressure Maintaining Coring Device Suitable for Loose Stratum. This invention was developed by Chen Ling, Xie Yachen, Li Jianan, He Zhiqiang, Li Cong, Guo Da, Zhang Ru, Ju Yang, Zhang Yiwei and Ma Guannan.
The patent application number is CN202511653257 ..