INTERNATIONAL PATENT: CRRC CHANGCHUN RAILWAY VEHICLES CO., LTD., 中车长春轨道客车股份有限公司 FILES APPLICATION FOR "CENTERING FIXTURE, MACHINING TOOL AND MACHINING METHOD FOR HOLLOW SHAFT"

GENEVA, Dec. 7 -- CRRC CHANGCHUN RAILWAY VEHICLES CO., LTD. (No 2001, ChangKe RoadChangchun, Jilin 130000), 中车长春轨道客车股份有限公司 (中国吉林省长春市长客路2001) filed a patent application (PCT/CN2024/123837) for "CENTERING FIXTURE, MACHINING TOOL AND MACHINING METHOD FOR HOLLOW SHAFT" on Oct 10, 2024. With publication no. WO/2025/246123, the details related to the patent application was published on Dec 04, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO)...