CW

Changzhi Wang

BC Beijing Zehua Chemical Engineering Co.: 1 patents #1 of 3Top 35%
📍 Shandong, CN: #143 of 490 inventorsTop 30%
Overall (2023): #483,332 of 537,848Top 90%
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, Hongping Tang 2023-01-10