GENEVA, June 30 -- CCCC TUNNEL ENGINEERING CO., LTD. (Zhongjiao Tunnel Bureau, Building A3, Guangyi Technology, No. 128, Jiangjun Avenue, Jiangning DistrictNanjing, Jiangsu 211100), 中交隧道工程局有限公司 (中国江苏省南京市江宁区将军大道128号光一科技A3座中交隧道局) filed a patent application (PCT/CN2024/122648) for "LARGE-SCALE UNDERGROUND SHIELD DOCKING MODEL TEST PLATFORM AND TEST METHOD" on Sep 30, 2024. With publication no. WO/2025/130247, the details related to the patent application was published on Jun 26, 2025.

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