INTERNATIONAL PATENT: CHINA RAILWAY MO.4 EMGINEERING GROUP CO., LTD, 中铁四局集团有限公司, THE CONSTRUCTION ENGINEERING COMPANY OF CTCE GROUP, 中铁四局集团建筑工程有限公司, HEFEI POLYTECHNIC UNIVERSITY, 合肥工业大学 FILES APPLICATION FOR "ASSEMBLING METHOD FOR LARGE-SPAN TRUSS"

GENEVA, May 10 -- CHINA RAILWAY MO.4 EMGINEERING GROUP CO., LTD (No. 96 Wangjiang East Road, Baohe DistrictHefei, Anhui 230022), 中铁四局集团有限公司 (中国安徽省合肥市包河区望江东路96号), THE CONSTRUCTION ENGINEERING COMPANY OF CTCE GROUP (South Second Ring Road West Section (Jinzhai South Road West), Shushan DistrictHefei, Anhui 230601), 中铁四局集团建筑工程有限公司 (中国安徽省合肥市蜀山区南二环路西段(&#...