DC

Dandan CHEN

Overall (2020): #503,890 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10637337 Automatic torque-adjustable speed-changing motor for electric pedicab Shimin Lu, Luoluo Zhang, Hongjun Zhu, Hui Zhao, Wenqing Xu 2020-04-28