GENEVA, Nov. 3 -- PEKING UNIVERSITY SCHOOL OF STOMATOLOGY (No.22, Zhongguancun South AvenueHaidian District, Beijing 100081), 北京大学口腔医学院 (中国北京市海淀区中关村南大街22号), BEIJING PIEZO-DENT MEDICAL TECHNOLOGY CO., LTD (Room 713, 7th Floor, Building 2, Courtyard 4, Jinhang West RoadShunyi District, Beijing 101399), 北京派诺登口腔医疗科技有限公司 (中国北京市顺义区金航西路4号院2号楼7层713室) filed ...