SZ

Songtao Zhan

BC Beijing Smtp Technology Co.: 1 patents #2 of 4Top 50%
Overall (2021): #254,758 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D939089 Ultrasonic cutter head Qun Cao, Zhiling Dai 2021-12-21