GENEVA, June 20 -- QINGDAO QIUSHI INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (No. 2566, Jiaozhouwan East Road, West 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 Rd.Hangzhou, Zhejiang 310000), 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/CN2023/139478) for "WELD SEAM SURFACE DEFECT DETECTION METHOD AND SYSTEM" on...