Spiral expansion cervical dilator with cervical clamp
DING CHAOXIA, SUN HUAQIN, LI YANXIA, YAN LIPING, YAO YUSHUANG, LI NINGFENG
Year of Publication 20.12.2022
Get full text
Year of Publication 20.12.2022
Patent
Online refund system
LIU DAHAO, DING CHAOXIA, XU WENFANG, PAN ZETAO, LI CHAOFENG, LIN MIAOTIAN
Year of Publication 23.09.2022
Get full text
Year of Publication 23.09.2022
Patent