GENEVA, April 27 -- CCCC THIRD HARBOR ENGINEERING CO., LTD. (No.139 Pingjiang RoadXuhui District, Shanghai 200032), 中交第三航务工程局有限公司 (中国上海市徐汇区平江路139号) filed a patent application (PCT/CN2025/118968) for "SYNCHRONOUS GROUTING DEVICE FOR SHIELD TUNNEL CONSTRUCTION" on Sep 04, 2025. With publication no. WO/2026/081713, the details related to the patent application was published on Apr 23, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inv...