GENEVA, April 17 -- CHINA RAILWAY SHANGHAI DESIGN INSTITUTE GROUP CO., LTD (No. 1265, Gonghexin RdJingan District, Shanghai 200070), 中铁上海设计院集团有限公司 (中国上海市静安区共和新路1265号) filed a patent application (PCT/CN2025/130066) for "DAM ANTI-SEEPAGE AND REINFORCEMENT CONSTRUCTION METHOD" on Oct 27, 2025. With publication no. WO/2026/077469, the details related to the patent application was published on Apr 16, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Org...