GENEVA, Dec. 21 -- TONGJI UNIVERSITY (No.1239, Siping RoadYangpu District, Shanghai 200092), 同济大学 (中国上海市杨浦区四平路1239号), GUANGZHOU METRO DESIGN & RESEARCH INSTITUTE CO., LTD. (Metro Design Building, No.129 Yuncheng North 2nd Road, Baiyun DistrictGuangzhou, Guangdong 510410), 广州地铁设计研究院股份有限公司 (中国广东省广州市白云区云城北二路129号地铁设计大厦) filed a patent application (PCT/CN2024/132270) for "FL...