INTERNATIONAL PATENT: CHINA RAILWAY FIRST GROUP CO., LTD, 中铁一局集团有限公司, CHINA RAILWAY FIRST GROUP FIFTH ENGINEERING CO., LTD, 中铁一局集团第五工程有限公司, INTELLIGENT TECHNOLOGY BRANCH OF CHINA RAILWAY FIRST GROUP CO., LTD, 中铁一局集团有限公司智能科技分公司 FILES APPLICATION FOR "METHOD AND APPARATUS FOR QUICKLY DETERMINING DEFORMATION TREND IN TUNNEL MONITORING MEASUREMENTS"

GENEVA, June 22 -- CHINA RAILWAY FIRST GROUP CO., LTD (No.1 Yanta North Road, Beilin DistrictXi'an, Shaanxi 710000), 中铁一局集团有限公司 (中国陕西省西安市碑林区雁塔北路1号), CHINA RAILWAY FIRST GROUP FIFTH ENGINEERING CO., LTD (No. 5 Zhongtan Road, Weibin DistrictBaoji, Shaanxi 721000), 中铁一局集团第五工程有限公司 (中国陕西省宝鸡市渭滨区中滩路5号), INTELLIGENT TECHNOLOGY BRANCH OF CHINA RAILWAY FIRST GROUP CO., LTD...