MC

Mingju Chen

JA Johnson Electric International Ag: 1 patents #163 of 404Top 45%
Overall (All Time): #2,824,388 of 4,157,543Top 70%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10823202 Muffling device and ventilating fan having the same Chuanjiang Guo, Chuanhui Fang, Chikuen Au 2020-11-03