GENEVA, July 28 -- CHINA RAILWAY BRIDGE RESEARCH TECHNOLOGY CO., LTD (No. 29 Hanxi Road, Qiaokou DistrictWuhan, Hubei 430034), 中铁桥研科技有限公司 (中国湖北省武汉市硚口区汉西路29号), CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP CO., LTD (No.38 Hanyang Avenue, Hanyang DistrictWuhan, Hubei 430050), 中铁大桥局集团有限公司 (中国湖北省武汉市汉阳区汉阳大道38号) filed a patent application (PCT/CN2024/107423) for "LEVER MASS DAMPER FOR STAY ...