GENEVA, Feb. 20 -- CHINA THREE GORGES CORPORATION (No. 1, Liuhe Road, Jiang'an DistrictWuhan, Hubei 430014), 中国长江三峡集团有限公司 (中国湖北省武汉市江岸区六合路1号), LU'AN THREE GORGES SMART WATER MANAGER CO., LTD. (Floor 9, Yinbo Building, Chang'an South RoadLu'an, Anhui 237000), 六安市三峡智慧水管家有限责任公司 (中国安徽省六安市长安南路银波大厦9楼) filed a patent application (PCT/CN...