GENEVA, March 24 -- JINAN LIANGBO INFORMATION TECHNOLOGY CO., LTD. (Room 205, Jinan Lashan High-Tech Entrepreneurship Service Center, No. 18, Lashan Road, Shizhong DistrictJinan, Shandong 250000), 济南良博信息技术有限公司 (中国山东省济南市市中区腊山路18号济南腊山高新技术创业服务中心205室) filed a patent application (PCT/CN2024/118172) for "POWER LINE CARRIER COMMUNICATION-BASED TRANSPORTATION EQUIPMENT SUPERVISION METHOD AND DEVICE, AND MEDIUM" on Sep 11, 2024. With publication no. WO/2025/055...