
搜索
Adjustable needle structure for instruments
Patent type :
utility model
Patent No :
2020204566758
Inventor :
Ma Yingang, Hu Xiaofan, Duan Chengyun
Authorization time :
2020
Keep in contact

E-mail:mail.syseic.com
邮箱收集
Description:
Copyright Shenyang Tianyan Zhiyun Information Technology Co., Ltd 辽ICP备16013834号