CW

Changzhi Wang

BC Beijing Zehua Chemical Engineering Co.: 1 patents #1 of 4Top 25%
📍 Shandong, CN: #90 of 381 inventorsTop 25%
Overall (2021): #493,947 of 548,734Top 95%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10888835 Tower packing element, tower packing, and packing tower and mixer comprising the same Runxing Xie, Hongping Tang, Jiazhuo Lv 2021-01-12