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Weirong Liu

BC Beijing Orient Vacuum Electric Co.: 1 patents #1 of 2Top 50%
Overall (2021): #37,846 of 548,734Top 7%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D920161 Car Jiaxin Li, Yin Jiao, Xiangguo Meng, Li Yan 2021-05-25
11004632 Vacuum arc extinguishing chamber contact, vacuum arc extinguishing chamber and vacuum circuit breaker Xin-Ru Chang 2021-05-11
D912574 Car Jiaxin Li, Yin Jiao, Li Yan 2021-03-09
D912584 Handrail Jiaxin Li, Yin Jiao, Li Yan 2021-03-09