GENEVA, Dec. 21 -- THE FOURTH ENGINEERING CO., LTD. OF CCCC FIRST HIGHWAY ENGINEERING CO., LTD. (No. 2-8, Hongli RoadNanning, Guangxi 530033), 中交一公局第四工程有限公司 (中国广西壮族自治区南宁市洪历路2-8号), CHINA FIRST HIGHWAY ENGINEERING CO., LTD. (Zhoujiajing, Guanzhuang, Chaoyang DistrictChaoyang District, Beijing 100024), 中交一公局集团有限公司 (中国北京市朝阳区管庄周家井) filed a patent application (PCT/CN2024/123998) for...
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