INTERNATIONAL PATENT: XI'AN THERMAL POWER RESEARCH INSTITUTE CO., LTD., 西安热工研究院有限公司, HUANENG LAIWU POWER GENERATION CO., LTD., 华能莱芜发电有限公司 FILES APPLICATION FOR "ULTRASONIC WATER LEVEL MEASUREMENT METHOD FOR PREVENTING WATER BLOCKAGE OF U-SHAPED TUBE ON HEATED SURFACE OF POWER STATION BOILER"

GENEVA, May 4 -- XI'AN THERMAL POWER RESEARCH INSTITUTE CO., LTD. (NO.136 Xingqing Road, Beilin DistrictXi'an, Shaanxi 710032), 西安热工研究院有限公司 (中国陕西省西安市碑林区兴庆路136号), HUANENG LAIWU POWER GENERATION CO., LTD. (Duixianmen Village, Gaozhuang Sub-District Office, Laiwu DistrictJinan, Shandong 271102), 华能莱芜发电有限公司 (中国山东省济南市莱芜区高庄街道办事处对仙门村) filed a patent...