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 "EMERGENCY VENTILATION DUCT SYSTEM FOR SUBURBAN TRAIN AND SUBURBAN TRAIN"

GENEVA, May 4 -- 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号) filed a patent application (PCT/CN2023/134601) for "EMERGENCY VENTILATION DUCT SYSTEM FOR SUBURBAN TRAIN, AND SUBURBAN TRAIN" on Nov 28, 2023. With publication no. WO/2025/086385, the details related to the patent application was published on May 01, 2025.

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