JO

Jiaxian Ou

Overall (2023): #395,933 of 537,848Top 75%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11766580 Valve structure with built-in valve seat of pre-action warning valve Jiongliang Chen, Dawen Huo 2023-09-26