INTERNATIONAL PATENT: CHINA HUADIAN ENGINEERING CO., LTD., 中国华电科工集团有限公司, HUADIAN ENVIRONMENTAL PROTECTION ENGINEERING & TECHNOLOGY CO., LTD., 华电环保系统工程有限公司 FILES APPLICATION FOR "DESULFURIZATION WASTEWATER HEAVY METAL ION ADSORBENT, PREPARATION METHOD THEREFOR AND USE THEREOF"

GENEVA, Aug. 9 -- CHINA HUADIAN ENGINEERING CO., LTD. (Block A, Yard 6, Automobile Museum East RoadFengtai District, Beijing 100160), 中国华电科工集团有限公司 (中国北京市丰台区汽车博物馆东路6号院A座), HUADIAN ENVIRONMENTAL PROTECTION ENGINEERING & TECHNOLOGY CO., LTD. (9th Floor, Block A, Yard 6, Automobile Museum East RoadFengtai District, Beijing 100160), 华电环保系统工程有限公司 (中国北京市丰台区汽车博物馆东...