JC

Jinquan Chen

📍 Zhaoqing, CN: #8 of 9 inventorsTop 90%
Overall (2021): #406,894 of 548,734Top 75%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11073140 Liquid storage tank upper cover assembly of drawing or adding liquid machine and drawing or adding liquid machine 2021-07-27