XD

Xixiang Ding

📍 Shandong, CN: #54 of 230 inventorsTop 25%
Overall (2018): #191,366 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10066418 Changeable combined mechanical key Yongzhi Zhang, Naizhong Chen, Yuan Du 2018-09-04