INTERNATIONAL PATENT: CHINA FIRST HIGHWAY ENGINEERING CO., LTD., 中交一公局集团有限公司, THE EIGHTH ENGINEERING CO., LTD. OF THE FIRST HIGHWAY ENGINEERING BUREAU OF CCCC, 中交一公局第八工程有限公司 FILES APPLICATION FOR "FIXING MECHANISM SUITABLE FOR SHIELD SEGMENTS"

Posted On: 2025-11-17

GENEVA, Nov. 17 -- CHINA FIRST HIGHWAY ENGINEERING CO., LTD. (Block A, Guanzhuang Zhoujiajing Shitong International Building, Chaoyang DistrictBeijing 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世通国际大厦A座), THE EIGHTH ENGINEERING CO., LTD. OF THE FIRST HIGHWAY ENGINEERING BUREAU OF CCCC (Floor 4-7, No.126, Da Zhi Gu Middle Road, Hedong DistrictTianjin 300170), 中交一公局第八工程有限公司 (中国天津市河东区大&#...

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INTERNATIONAL PATENT: CHINA FIRST HIGHWAY ENGINEERING CO., LTD., 中交一公局集团有限公司, THE EIGHTH ENGINEERING CO., LTD. OF THE FIRST HIGHWAY ENGINEERING BUREAU OF CCCC, 中交一公局第八工程有限公司 FILES APPLICATION FOR "FIXING MECHANISM SUITABLE FOR SHIELD SEGMENTS"