GENEVA, Oct. 1 -- CHINA RAILWAY SHANHAIGUAN BRIDGE GROUP CO., LTD. filed a patent application (CN2025/120250) for “C-SECTION STEEL INSERT-REINFORCED BUILT-UP WING RAIL STRUCTURE”. With publication no. WO/2026/188756, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: E01B 7/12
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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