GENEVA, April 27 -- CRRC ZHUZHOU LOCOMOTIVE CO., LTD. (CRRC Zhuzhou Locomotive CO., LTD Development Centre TianXin Road 1, Shifeng DistrictZhuzhou, Hunan 412001), 中车株洲电力机车有限公司 (中国湖南省株洲市石峰区田心路1号中车株洲电力机车有限公司研发中心) filed a patent application (PCT/CN2023/138415) for "HIGH-SPEED LOCAMOTIVE DRIVING GEARBOX FOR IMPROVING OIL RETURN PERFORMANCE" on Dec 13, 2023. With publication no. WO/2025/081608, the details related to the patent application was publis...