GENEVA, Sept. 18 -- CRRC TANGSHAN CO., LTD. filed a patent application (CN2025/127222) for “BOGIE FRAME, BOGIE, AND RAIL VEHICLE”. With publication no. WO/2026/184088, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: B61F 5/52
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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