YD

Yingfeng Ding

GC Grg Banking Equipment Co.: 1 patents #13 of 50Top 30%
Overall (2018): #185,522 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9884741 Telephone wire withdrawing device Hexiang Huang, Changhai Wu, Guocheng Shi, Guanfu Long 2018-02-06