INTERNATIONAL PATENT: SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC, 中铁上海工程局集团有限公司, SHANGHAI CIVIL FOURTH ENGINEERING CO., LTD OF CREC, 中铁上海工程局集团第四工程有限公司 FILES APPLICATION FOR "CRUSHING AND MIXING DEVICE FOR IRON TAILINGS SLAG FOR SPRAYED CONCRETE"

GENEVA, July 18 -- SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China Railway Shanghai Bureau, Haibo RoadChina-Singapore Eco-CityBinhai New Area, Tianjin 300450), 中铁上海工程局集团有限公司 (中国天津市滨海新区中新生态城海博道中铁上海局), SHANGHAI CIVIL FOURTH ENGINEERING CO., LTD OF CREC (China Railway Shanghai Bureau, Haibo RoadChina-Singapore Eco-CityBinhai New Area, Tianjin 300450), 中铁上海工程局集团第四工程有限公司 (中Þ...