GENEVA, May 11 -- CRRC QINGDAO SIFANG CO., LTD. (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 266111), 中车青岛四方机车车辆股份有限公司 (中国山东省青岛市城阳区锦宏东路88号) filed a patent application (PCT/CN2024/126407) for "END PORTION UNDERFRAME, VEHICLE UNDERFRAME, AND RAIL VEHICLE" on Oct 22, 2024. With publication no. WO/2025/092505, the details related to the patent application was published on May 08, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed b...