GENEVA, Nov. 23 -- SHENZHEN DUOYUAN EXPANSION ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD (407 Jiaanda Building, No. 110 Huafan Road, Henglang Community, Dalang Street, Longhua District, ShenzhenShenzhen, Guangdong 518100), 深圳多元拓展环保科技有限公司 (中国广东省深圳市龙华区大浪街道横朗社区华繁路110号嘉安达大厦407) filed a patent application (PCT/CN2025/088413) for "HALBACH-ARRAY PLANAR COIL STRUCTURAL UNIT" on Apr 11, 2025. With publication no. WO/2025/236949, the details related to the pat...