DC

Daowei CHEN

Overall (2023): #164,140 of 537,848Top 35%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11821563 Detachable valve 2023-11-21
11746944 Piston-type water hammer absorber 2023-09-05