INTERNATIONAL PATENT: CHINA RAILWAY SEVENTH GROUP CO., LTD., 中铁七局集团有限公司, WUHAN ENGINEERING CO., LTD OF CHINA RAILWAY SEVENTH GROUP, 中铁七局集团武汉工程有限公司 FILES APPLICATION FOR "METHOD FOR PROCESSING AND MANUFACTURING STEEL BOX GIRDER"

Posted On: 2026-03-16

GENEVA, March 16 -- CHINA RAILWAY SEVENTH GROUP CO., LTD. (No. 1225, Hanghai East RoadZhengzhou, Henan 450000), 中铁七局集团有限公司 (中国河南省郑州市航海东路1225号), WUHAN ENGINEERING CO., LTD OF CHINA RAILWAY SEVENTH GROUP (No. 6, Daqiao Road, Daqiao New Area, Jiangxia DistrictWuhan, Hubei 430200), 中铁七局集团武汉工程有限公司 (中国湖北省武汉市江夏区大桥新区大桥路6号) filed a patent application (PCT/CN2025/10...

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INTERNATIONAL PATENT: CHINA RAILWAY SEVENTH GROUP CO., LTD., 中铁七局集团有限公司, WUHAN ENGINEERING CO., LTD OF CHINA RAILWAY SEVENTH GROUP, 中铁七局集团武汉工程有限公司 FILES APPLICATION FOR "METHOD FOR PROCESSING AND MANUFACTURING STEEL BOX GIRDER"