GENEVA, June 29 -- QINGDAO QIUSHI INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (No. 2566, Jiaozhouwan East RoadWest Coast New DistrictQingdao, Shandong 266000), 青岛求是工业技术研究院 (中国山东省青岛市西海岸新区胶州湾东路2566号), ZHEJIANG UNIVERSITY (866 Yuhangtang RdHangzhou, Zhejiang 310058), 浙江大学 (中国浙江省杭州市西湖区余杭塘路866号) filed a patent application (PCT/CN2023/139807) for "RAIL CROSS-SECTION PROFILE MEASUREMENT METHOD AND SYSTEM" o...