GENEVA, May 17 -- CCCC TUNNEL ENGINEERING CO., LTD. (Zhongjiao Tunnel Bureau, Building A3, Guangyi Technology, No.128, Jiangjun Avenue, Jiangning DistrictNanjing, Jiangsu 211100), 中交隧道工程局有限公司 (中国江苏省南京市江宁区将军大道128号光一科技A3座中交隧道局) filed a patent application (PCT/CN2025/106427) for "IN-SITU TEST METHOD BASED ON SHIELD DOCKING CURTAIN GROUTING" on Jul 01, 2025. With publication no. WO/2026/097903, the details related to the patent application was published on May 15, 2026.
Notably, the patent...