SL

Shiwei Li

CC China Tobacco Yunnan Industrial Co.: 1 patents #23 of 62Top 40%
Overall (2021): #262,604 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11160315 Compression charging device Ru Wang, Chengya Wang, Xu Zeng, Jingmei Han, Ping Lei +7 more 2021-11-02