HT

Hongping Tang

BC Beijing Zehua Chemical Engineering Co.: 1 patents #1 of 3Top 35%
Overall (2023): #421,294 of 537,848Top 80%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11547952 Multi-bubbling region column tray and corresponding plate column Runxing Xie, Changzhi Wang 2023-01-10