CY

Chunhua Yi

HC Hangzhou Qingqi Science And Technology Co.: 1 patents #5 of 8Top 65%
Overall (2021): #492,840 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11072384 Fixed structure for an identification mark of a bicycle Gang Li, Yamou Wu 2021-07-27