GENEVA, Sept. 15 -- CHINA RAILWAY SHANHAIGUAN BRIDGE GROUP CORPORATION LIMITED (NO.35 Nanhai West Road, Shanhaiguan DistrictQinhuangdao, Hebei 066299), 中铁山桥集团有限公司 (中国河北省秦皇岛市山海关区南海西路35号) filed a patent application (PCT/CN2024/118000) for "INTERNAL MAINTENANCE DEVICE FOR U-RIB OF IN-SERVICE STEEL BRIDGE" on Sep 10, 2024. With publication no. WO/2025/185117, the details related to the patent application was published on Sep 11, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is man...