GENEVA, March 8 -- CHINA NUCLEAR POWER OPERATIONS CO., LTD (6/F, CGN Tower North Building, Middle Shennan Boulevard, Fuzhong Community, Lianhua Street, Futian DistrictShenzhen, Guangdong 518026), 中广核核电运营有限公司 (中国广东省深圳市福田区莲花街道福中社区深南中路中广核大厦北楼6层) filed a patent application (PCT/CN2023/138702) for "MAINTENANCE TRAINING METHOD AND APPARATUS FOR NUCLEAR-GRADE VALVE, AND COMPUTER DEVICE AND STORAGE MEDIUM" on Dec 14, 2023. With publication no. WO/2025/043962, ...