INTERNATIONAL PATENT: CHINA RAILWAY SHANGHAI ENGINEERING GROUP MUNICIPAL ENVIRONMENTAL PROTECTION CO., LTD., 中铁上海工程局集团市政环保工程有限公司, CHINA RAILWAY SHANGHAI ENGINEERING GROUP CO., LTD., 中铁上海工程局集团有限公司 FILES APPLICATION FOR "BENCH-SCALE DEVICE FOR OZONE CATALYTIC SYSTEM"

GENEVA, Feb. 23 -- CHINA RAILWAY SHANGHAI ENGINEERING GROUP MUNICIPAL ENVIRONMENTAL PROTECTION CO., LTD. (9th Floor, No. 22, Lane 299Jiangchang West RoadJingan District, Shanghai 200072), 中铁上海工程局集团市政环保工程有限公司 (中国上海市静安区江场西路299弄22号9层), CHINA RAILWAY SHANGHAI ENGINEERING GROUP CO., LTD. (No. 278, Jiangchang 3rd RoadJingan District, Shanghai 200436), 中铁上海工程局集团有限公司 (中国上海市静安&#...