INTERNATIONAL PATENT: THE SECOND ENGINEERING CO., LTD OF CHINA RAILWAY SEVENTH GROUP, 中铁七局集团第二工程有限公司, CHINA RAILWAY NORTHEAST INVESTMENT AND DEVELOPMENT CO., LTD, 中铁东北投资发展有限公司, DALIAN UNIVERSITY OF TECHNOLOGY, 大连理工大学 FILES APPLICATION FOR "PYLON-GIRDER TEMPORARY FIXING APPARATUS FOR DEMOLITION OF CABLE-STAYED BRIDGE"

GENEVA, Dec. 21 -- THE SECOND ENGINEERING CO., LTD OF CHINA RAILWAY SEVENTH GROUP (No. 409-5, Shengli South Street, Heping DistrictShenyang, Liaoning 110001), 中铁七局集团第二工程有限公司 (中国辽宁省沈阳市和平区胜利南街409-5号), CHINA RAILWAY NORTHEAST INVESTMENT AND DEVELOPMENT CO., LTD (Rui Bao Dong Fang Building, Hunnan DistrictShenyang, Liaoning 110000), 中铁东北投资发展有限公司 (中国辽宁省沈阳市浑南区瑞宝东...